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2021

Bhattacharjee, D., & Bhadra, A. (2021). Adjustment in the point-following behaviour of free-ranging dogs–roles of social petting and informative-deceptive nature of cues. Animal cognition, 1-9.

Bhattacharjee, D., & Bhadra, A. (2021). Response to short-lived human overcrowding by free-ranging dogs. Behavioral Ecology and Sociobiology, 75(7), 1-8.

Brouwers, S., & Duchateau, M.J. (2021). Feasibility and validity of the Animal Welfare Assessment Grid to monitor the welfare of zoo-housed gorillas Gorilla gorilla gorilla. Journal of Zoo and Aquarium Research, 9, 208-217.

Diepstraten, J., & Willie, J. (2021). Assessing the structure and drivers of biological sounds along a disturbance gradient. Global Ecology and Conservation, 31, e01819.

Forest, P. N., Blundo, C., Carilla, J., Grau, R., Malizia, A., Malizia, L., Osinaga-Acosta, O., Bird, M., Bradford, M.,Catchpole, D., Ford, A., Graham, A., Hilbert, D., Kemp, J., Laurance, S., Laurance, W., Ishida, F. Y., Marshall, A., Waite, C., ... Tran, H. D. (2021). Taking the pulse of Earth's tropical forests using networks of highly distributed plots. Biological Conservation, 260, 1-27. 08849.

Gallup, A.C., Kret, M.E., Eldakar, O.T., Folz, J., & Massen, J.J.M. (2021). People that score high on psychopathic traits are less likely to yawn contagiously. Scientific Reports, 11, 23779. doi: 10.1038/s41598-021-03159-1 

Goldsborough, Z., Webb, C. E., De Waal, F. B. M., & Van Leeuwen, E. J. C. (2021). Zoo-housed female chimpanzee adopts local female-specific tradition upon immigrating into a new group. Behaviour, 158(6), 547-564.

Horn, L., Zewald, J.S., Bugnyar, T., & Massen, J.J.M. (2021). Carrion crows and azure-winged magpies show no prosocial tendencies when tested in a token exchange paradigm. Animals, 11, 1526. doi: 10.3390/ani11061526 

Laumer, I.B.*, Massen, J.J.M.*, Boehm, P.M., Boehm, A., Geisler, A. & Auersperg, A.M.I. (2021). Individual Goffin’s cockatoos (Cacatua goffiniana) show flexible targeted helping in a tool transfer task. PLoS One, 16, e0253416. doi: 10.1371/journal.pone.0253416   * co-first authors.

Martin, J.S., Koski, S.E., Bugnyar, T., Jaeggie, A.V. & Massen, J.J.M. (2021). Prosociality, social tolerance, and partner choice facilitate mutually beneficial cooperation in common marmosets. Animal Behaviour, 173, 115-136. doi: 10.1016/j.anbehav.2020.12.016 

Massen, J.J.M., Hartlieb, M., Martin, J.S., Leitgeb, E.B., Hockl, J., Kocourek, M., Olkowicz, S., Osadnik, C., Verkleij, J.W., Zhang, Y., Bugnyar, T., Němec, P. & Gallup, A.C. (2021). Brain size and neuron numbers drive differences in yawn duration across mammals and birds. Communications Biology, 4, 503. doi: 10.1038/s42003-021-02019-y

Massen, J.J.M. & Mielke, A. (2021). Third-party interactions. In: (J. Vonk & T.K. Shackelford eds.) Encyclopedia of Animal Cognition and Behavior. New York, USA: Springer Nature.

Pauwels, O. S. G., Zwerts, J., Bonnin, J. L., Boupoya-Mapikou , C-A., Albert , J-L., Dupeyras, P. A., Fourie, J., Ndonda Makemba, R., Ruizendaal, A. E., Vigna, C., & Vermeulen, C. (2021). Miscellanea Herpetologica Gabonica XVII. The Bulletin of the Chicago Herpetological Society, 56(5), 61-68.

Ramirez, J. I., Zwerts, J. A., van Kuijk, M., Iacobelli, P., Li, X., Herdoiza, N., & Jansen, P. A. (2021). Density dependence of daily activity in three ungulate species. Ecology and Evolution, 11(12), 7390-7398.

Rox, A., van Vliet, A. H., Langermans, J. A., Sterck, E. H., & Louwerse, A. L. (2021). A Stepwise Male Introduction Procedure to Prevent Inbreeding in Naturalistic Macaque Breeding Groups. Animals, 11(2), 545.

Schuller, B. W., Batliner, A., Bergler, C., Mascolo, C., Han, J., Lefter, I., Kaya, H., Amiriparian, S., Baird, A., Stappen, L., Ottl, S., Gerczuk, M., Tzirakis, P., Brown, C., Chauhan, J., Grammenos, A., Hasthanasombat, A., Spathis, D., Xia, T., ... Kaandorp, C. S. (2021). The INTERSPEECH 2021 Computational Paralinguistics Challenge: COVID-19 Cough, COVID-19 Speech, Escalation & Primates. 431-435. Paper presented at Interspeech 2021, Brno, Czech Republic.

Sigmundson, R., Stribos, M., Hammer, R., Herzele, J., Pflüger, L.S., & Massen, J.J.M. (2021). Exploring the cognitive capacities of Japanese macaques in a cooperation game. Animals, 11, 1497. doi: 10.3390/ ani11061497 

Šlipogor, V., Massen, J.J.M., Schiel, N., Souto, A. & Bugnyar, T. (2021). Temporal consistency and ecological validity of personality structure in common marmosets (Callithrix jacchus): a unifying field and laboratory approach. American Journal of Primatology, e23229. doi: 10.1002/ajp.23229 

Stocker, M, Prösl, J., Vanhooland, L-C., Horn, L., Bugnyar, T., Canoine, V.# & Massen, J.J.M.# (2021). Measuring salivary mesotocin in birds - Seasonal differences in ravens’ peripheral mesotocin levels. # both authors contributed equally. Hormones & Behaviour, 134, 105015. doi: 10.1016/j.yhbeh.2021.105015  

van Boekholt, B., van de Waal, E. & Sterck, E. H. (2021). Organized to learn: The influence of social structure on social learning opportunities in a group. iScience, doi: 102117.10.1016/j.isci.2021.102117

Visser, F., Keller, O.A., Oudejans, M.G., Nowacek, D.P., Kok, A.C.M., Huisman, J., Sterck, E.H.M. (2021). Risso’s dolphins perform spin dives to target deep-dwelling prey. Royal Society Open Science, 8, 202320.

Waasdorp, S., Tuffnell, J. A., Bruins-van Sonsbeek, L., Schilp, C. M., van Zeeland, Y. R., & Sterck, E. H. (2021). Chopped and dispersed food enhances foraging and reduces stress-related behaviours in captive white-naped mangabeys (Cercocebus lunulatus). Applied Animal Behaviour Science, 241, 105392.

Whytock, R. C., Świeżewski, J., Zwerts, J. A., Bara-Słupski, T., Koumba Pambo, A. F., Rogala, M., Bahaa-el-din, L., Boekee, K., Brittain, S., Cardoso, A. W., Henschel, P., Lehmann, D., Momboua, B., Kiebou Opepa, C., Orbell, C., Pitman, R. T., Robinson, H. S., & Abernethy, K. A. (2021). Robust ecological analysis of camera trap data labelled by a machine learning model. Methods in Ecology and Evolution, 12(6), 1080-1092.

Wijnen, M.N., Massen, J.J.M., & Kret, M.E. (2021). Gender bias in the allocation of student grants. Scientometrics. doi: 10.1007/s11192-021-03985-0 

Zewald J., Jacobs I. (2021) Object Permanence. In: Vonk J., Shackelford T. (eds) Encyclopedia of Animal Cognition and Behavior. Springer, Cham.

Zijlmans, D. G., Maaskant, A., Sterck, E. H., & Langermans, J. A. (2021). Retrospective Evaluation of a Minor Dietary Change in Non-Diabetic Group-Housed Long-Tailed Macaques (Macaca fascicularis). Animals, 11(9), 2749.

Zijlmans, D. G., Meijer, L., Vernes, M. K., Wubben, J. A., Hofman, L., Louwerse, A. L., Sterck, E. H. M., Langermans, J. A. M., & Stammes, M. A. (2021). Effect of Housing Conditions on Cortisol and Body Fat Levels in Female Rhesus Macaques. Biology, 10(8), 744.

Zijlmans, D. G. M., Vernes, M. K., Sterck, E. H. M., & Langermans, J. A. M. (2021). The utility of voluntary weighing in captive group-living rhesus macaques (Macaca mulatta). Animal Welfare, 30(3), 249-258.

Zijlstra, T. W., de Vries, H., & Sterck, E. H. (2021). Emotional bookkeeping and differentiated affiliative relationships: Exploring the role of dynamics and speed in updating relationship quality in the EMO-model. PloS one, 16(4), e0249519.

Zwerts, J. A., Stephenson, P. J., Maisels, F., Rowcliffe, M., Astaras, C., Jansen, P. A., Waarde, J., Sterck, L. E. H. M., Verweij, P. A., Bruce, T., Brittain, S., & Kuijk, M. (2021). Methods for wildlife monitoring in tropical forests: Comparing human observations, camera traps, and passive acoustic sensors. Conservation Science and Practice, [e568].

Zwerts, J. A., Treep, J., Kaandorp, C., Meewis, F., Koot, A. C., & Kaya, H. (2021). Introducing a Central African Primate Vocalisation Dataset for Automated Species Classification. 466-470. Paper presented at Interspeech, Brno, Czech Republic.

2020

Gallup, A.G. & Massen, J.J.M. (2020). Intranasal oxytocin, empathy, and contagious yawning in dogs and humans. Applied Animal Behaviour Science, 224, 104971. doi: 10.1016/j.applanim.2020.104971

Gallup, A. C., Moscatello, L., & Massen, J. J. M. (2020). Brain weight predicts yawn duration across domesticated dog breeds. Current Zoology, 66(4), 401-405. DOI: 10.1093/cz/zoz060

Horn, L., Bugnyar T., Griesser, M., Hengl, M., Izawa, E.I., Oortwijn, T., Rössler, C., Scheer, C., Schiestl, M., Suyama, M., Taylor, A.H., Vanhooland, L.-C., von Bayern, A.M.P., Zürcher, Y. & Massen, J.J.M. (2020). Sex-specific effects of cooperative breeding and colonial nesting on prosociality in corvids. eLife, 9, e58139. doi: 10.7554/eLife.58139

Kret, M. E., Prochazkova, E., Sterck, E. H. M., & Clay, Z. (2020). Emotional expressions in human and non-human great apes. Neuroscience and Biobehavioral Reviews, 115, 378-395. DOI: 10.1016/j.neubiorev.2020.01.027

Laméris, D. W., Berlo, E., Sterck, E. H. M., Bionda, T., & Kret, M. E. (2020). Low relationship quality predicts scratch contagion during tense situations in orangutans (Pongo pygmaeus). American Journal of Primatology, 82(7). DOI: 10.1002/ajp.v82.7

Laméris, D. W., Tagg, N., Kuenbou, J. K., Sterck, E. H. M., & Willie, J. (2020). Drivers affecting mammal community structure and functional diversity under varied conservation efforts in a tropical rainforest in Cameroon. Animal Conservation, 23(2), 182-191. DOI: 10.1111/acv.12526

Laumer, I.B*, Massen, J.J.M.*, Lorck-Tympner, M., Wakonig, B., Carminito, C. & Auersperg, A.M.I. (2020). Tentative evidence for inequity aversion to unequal work-effort but not to unequal reward distribution in Goffin’e cockatoos. Ethology, 126, 185-194. doi: 10.1111/eth.12947. * co-first authors.

Massen, J.J.M. (2020). Editorial: Studying the evolution of cooperation and prosociality in birds (editorial). Ethology, 126, 121-124. doi: 10.1111/eth.13001.

Massen, J. J. M., Haley, S. M., & Bugnyar, T. (2020). Azure-winged magpies’ decisions to share food are contingent on the presence or absence of food for the recipient. Scientific Reports, 10(1), [16147]. DOI: 10.1038/s41598-020-73256-0

Massen, J. J. M., Schaake, W. A. A. & Bugnyar, T. (2020). A comparison of cooperative cognition in corvids, chimpanzees, and other animals. In: (L. Hopper & S. Ross eds.) Chimpanzees in context (pp. 368-390). Chicago, USA: ľ�ϸ���Ӱ�� of Chicago Press.

Morales Picard, A., Mundry, R., Auersperg, A.M., Boeving, E.R., Boucherie, P.M., Bugnyar, T, Dufour, V., Emery, N.J., Federspiel, I., Gajdon, G., Guéry, J.-P., Hegedič, M., Horn, L., Kavanagh, E., Lambert, M.L., Massen, J.J.M., Rodrigues, M., Schiestl, M., Schwing, R., Szabo, B., Taylor, A.H., van Horik, J.O., von Bayern, A.M.P., Seed, A, & Slocombe, K.E. (2020). Why preen others? Predictors of allopreening in parrots and corvids and comparisons to grooming in great apes. Ethology, 126, 207-228. doi: 10.1111/eth.12999.

Overduin-de Vries, A. M., De Vries, H., Vermande, M. M., Reijntjes, A. H., & Sterck, E. H. (2020). Both aggressive and affiliative behaviour facilitate resource access in high-ranking female long-tailed macaques (Macaca fascicularis). Behaviour, 157(3-4), 267-287.

Rebout, N., De Marco, A., Lone, J.C., Sanna, A., Cozzolino, R., Micheletta, J., Sterck, E.H.M, Langermans, J.A., Lemasson, A. and Thierry, B., 2020. Tolerant and intolerant macaques show different levels of structural complexity in their vocal communication. Proceedings of the Royal Society B, 287(1928), p.20200439.

Roth, T. S., & Sterck, E. H. M. (2020). Social Vigilance of Friends and Foes in Western Lowland Gorillas (Gorilla gorilla gorilla). Animal Behavior and Cognition, 7(4), 537-555. DOI: 10.26451/abc.07.04

Sierro, J., Loretto, M.C., Szipl, G., Massen, J.J.M. & Bugnyar, T. (2020). Food calling in ravens (Corvus corax) revisited: who is addressed? Ethology, 126, 257-266. doi: 10.1111/eth.12991.

Stocker, M, Loretto, M.C., Sterck, E.H.M., Bugnyar, T. & Massen, J.J.M. (2020). Cooperation with closely bonded individuals reduces cortisol levels in long-tailed macaques. Royal Society Open Science, 7, 191056. doi:10.1098/rsos.191056

Van Berlo, E., Díaz-Loyo, A.P., Juárez-Mora, O.E., Kret, M.E. & Massen, J.J.M. (2020). Experimental evidence for contagious yawning in Bornean orangutans (Pongo pygmeus). Scientific Reports, 10, 22251. doi: 10.1038/s41598-020-79160-x

Vanhooland, L.-C., Bugnyar, T. & Massen, J.J.M. (2020). Crows (Corvus corone sp.) check the contingency of their behaviour in a mirror, yet fail to pass the Mirror-Mark Test. Journal of Comparative Psychology

Van Leeuwen, K. L., Matsuzawa, T., Sterck, E. H. M., & Koops, K. (2020). How to measure chimpanzee party size? A methodological comparison. Primates, 61(2), 201-212. DOI: 10.1007/s10329-019-00783-4

Vermande, M. M., & Sterck, E. H. M. (2020). How to Get the Biggest Slice of the Cake. A Comparative View of Social Behaviour and Resource Access in Human Children and Nonhuman Primates. Frontiers in Psychology, 11. DOI: 10.3389/fpsyg.2020.584815

2019

De Marco, A., Rebout, N., Massiot, E., Sanna, A., Sterck, E. H., Langermans, J. A., ... & Lemasson, A. (2019). Differential patterns of vocal similarity in tolerant and intolerant macaques. Behaviour, 1(aop), 1-25.

Laméris, D. W., Tagg, N., Kuenbou, J. K., Sterck, E. H. M., & Willie, J. (2019). Drivers affecting mammal community structure and functional diversity under varied conservation efforts in a tropical rainforest in Cameroon. Animal Conservation.

Massen, J. J. M., Behrens, F., Martin, J. S., Stocker, M., & Brosnan, S. F. (2019). A comparative approach to affect and cooperation. Neuroscience and Biobehavioral Reviews, 107, 370-387.

Roth, T. S., Bionda, T. R., & Sterck, E. H. (2019). Duckling-catching by a zoo-housed western lowland gorilla (Gorilla gorilla gorilla). Journal of Zoo and Aquarium Research, 7(3), 144-148.

Rox, A., van Vliet, A. H., Sterck, E. H., Langermans, J. A., & Louwerse, A. L. (2019). Factors determining male introduction success and long-term stability in captive rhesus macaques. PloS one, 14(7), e0219972.

Sterck, E. H., Zijlmans, D. G., de Vries, H., van den Berg, L. M., van Schaik, C. P., & Langermans, J. A. (2019). Determining overweight and underweight with a new weight‐for‐height index in captive group‐housed macaques. American journal of primatology, e22996.

Zijlmans, D.G.M., & Duchateau, M.J.H.M. (2019). The effect of pack separation on social relationships and behaviour in captive African wild dogs (Lycaon pictus). Journal of Zoo and Aquarium Research, 7(1), 25.

2018

Marjolijn M. Vermande, Patricia A. Gilholm, Albert H. A. Reijntjes, Dave J. Hessen, Elisabeth H. M. Sterck, Anne M. Overduin-de Vries (2018). Is Inspiring Group Members an Effective Predictor of Social Dominance in Early Adolescence? Direct and Moderated Effects of Behavioral Strategies, Social Skills, and Gender on Resource Control and Popularity. Journal of Youth and Adolescence. Issue 9: 1813-1829.

Rox, A; de Vries, H; Louwers, AL; Sterck, EHM (2018) Female social behaviour during three male introductions in captive groups of rhesus macaques. Applied Animal Behaviour Science 207: 89-97.

2017

Dufour, V; Pasquaretta, C; Gayet, P; Sterck, EHM (2017) The Extraordinary Nature of Barney's Drumming: A Complementary Study of Ordinary Noise Making in Chimpanzees. FRONTIERS IN NEUROSCIENCE  Volume: 11  Article Number: 2

Tom S Roth, Thomas R Bionda, Elisabeth H M Sterck (2017) Recapturing the canopy: stimulating Bornean orang-utan (Pongo pygmaeus) natural locomotion behaviour in a zoo environment. Journal of Zoo and Aquarium Research 5: 16-24.

Sterck, EHM, Bontrop, RE, de Groot, N, de Vos-Rouweler, Doxiadis, GGM (2017) No postcopulatory selection against MHC-homozygous offspring: Evidence from a pedigreed captive rhesus macaque colony. Molecular Ecology 26: 3785-3793.

2016

Amos Bouskila, Emmanuel Lourie, Shiri Sommer, Han de Vries, Zef M.
Hermans & Machteld van Dierendonck (2016) Similarity in sex and reproductive state, but not relatedness, influence the strength of association in the social network of feral horses in the Blauwe Kamer Nature Reserve, Israel Journal of Ecology & Evolution, 61:2, 106-113.
To link to this article: 

Evers E, de Vries H, Spruijt BM, Sterck EHM (2016) Intermediate-term emotional bookkeeping is necessary for long-term reciprocal grooming partner preferences in an agent-based model of macaque groups. PeerJ 4:e1488. DOI 10.7717/peerj.1488. Supplemental information for this article can be found online at .
Program code of the EMO-model: version14.3.zip

Junghans, AF; Sterck, EHM; Overduin-de Vries, A; Evers, C; De Ridder, DTD (2016) Defying Food - How Distance Determines Monkeys' Ability to Inhibit Reaching for Food. Frontiers in Psychology Vol 7, Article Number: 158, DOI: 10.3389/fpsyg.2016.00158

Mulder I, van der Meer R, de Vries H, Sterck EHM (2016) The relationship between diet change and regurgitation and reingestion in captive chimpanzees. Journal of Zoo and Aquarium Research 4(4): 196-201.

Schlenker, Philippe, Chemla, Emmanuel, Schel, Anne M., Fuller, James, Gautier, Jean Pierre, Kuhn, Jeremy, Veselinovic, Dunja, Arnold, Kate, Cäsar, Cristiane, Keenan, Sumir, Lemasson, Alban, Ouattara, Karim, Ryder, Robin & Zuberbühler, Klaus (01-07-2016). Formal monkey linguistics - The debate. Theoretical Linguistics, 42 (1-2), (pp. 173-201) (29 p.).

Schlenker, Philippe, Chemla, Emmanuel, Schel, Anne M., Fuller, James, Gautier, Jean Pierre, Kuhn, Jeremy, Veselinovic, Dunja, Arnold, Kate, Cäsar, Cristiane, Keenan, Sumir, Lemasson, Alban, Ouattara, Karim, Ryder, Robin & Zuberbühler, Klaus (01-07-2016). Formal monkey linguistics. Theoretical Linguistics, 42 (1-2), (pp. 1-90) (90 p.).

Overduin-de Vries, A., Bakker, FAA, Spruijt, BM, Sterck, EHM (2016) Male long-tailed macaques (Macaca fascicularis) understand the target of facial threat. American Journal of Primatology.   DOI: 10.1002/ajp.22536

Versteegh, Maarten, Kuhn, Jeremy, Synnaeve, Gabriel, Ravaux, Lucie, Chemla, Emmanuel, Cäsar, Cristiane, Fuller, James, Murphy, Derek, Schel, Anne & Dunbar, Ewan (2016). Classification and automatic transcription of primate calls. Journal of the Acoustical Society of America, 140 (1).

2015

Babiszewska, M., Schel, A. M., Wilke, C., & Slocombe, K. E. (2015). Social, contextual, and individual factors affecting the occurrence and acoustic structure of drumming bouts in wild chimpanzees (Pan troglodytes). American journal of physical anthropology, 156(1), 125-134. 10.1002/ajpa.22634

van der Borg, J. A. M., Schilder, M. B. H., Vinke, C. M. & de Vries, H. (2015). Dominance in domestic dogs: A quantitative analysis of its behavioural measures. PLoS ONE 10(8): e0133978. DOI: 10.1371/journal.pone.0133978

Borgeaud, C, Alvino, M, van Leeuwen, K, Townsend, SW, Bshary, R Bshary (2015) Age/sex differences in third-party rank relationship knowledge in wild vervet monkeys, Chlorocebus aethiops pygerythrus. Animal Behaviour 102: 277-284. DOI: 10.1016/j.anbehav.2015.02.006

Dufour, V., Poulin, N., Cure, C., & Sterck, E. H. M. (2015). Chimpanzee drumming: a spontaneous performance with characteristics of human musical drumming. Scientific Reports, 5, [11320]. 10.1038/srep11320

Evers E, de Vries H, Spruijt BM, Sterck EHM (2015) Emotional bookkeeping and high partner selectivity are necessary for the emergence of partner-specific reciprocal affiliation in an agent-based model of primate groups. PLoS ONE 10(3): e0118921. doi:10.1371/journal.pone.0118921

Hardus M.E., A.R. Lameira, S.A. Wich, H. de Vries, R. Wahyudi, R.W. Shumaker, S.B.J. Menken (2015) Effect of repeated exposures and sociality on novel food acceptance and consumption by orangutans. Primates 56: 21-27. DOI 10.1007/s10329-014-0441-3

Overduin - de Vries A.M., B.M. Spruit, H. de Vries, EHM Sterck (2015) Tactical deception to hide sexual behaviour: macaques use distance, not visibility. Behavioral Ecology and Sociobiology 69: 1333-1342

Peters, SM, Pothuizen, HHJ, Spruijt, BM (2015) Ethological concepts enhance the translational value of animal models. European Journal of Pharmacology 759: 42-50

Petit O, Dufour V, Herrenschmidt M, De Marco A, Sterck EH, Call J. (2015) Inferences about food location in three cercopithecine species: an insight into the socioecological cognition of primates. Animal Cognition, 18(4), 821-830. 10.1007/s10071-015-0848-2

Reynolds, V., Lloyd, A.W., English, C.J., Lyons, P., Dodd, H., Hobaiter, C., Netwon-Fisher, N., Mullins, C., Lamon, N., Schel, A.M., Fallon, B. (2015). Mineral Acquisition from Clay by Budongo Forest Chimpanzees. PLoS ONE 10: e0134075.

Sterck EHM, C.U. Olesen, J.J.M.Massen (2015) No costly prosociality among related long-tailed macaques (Macaca fascicularis). Journal of Comparative Psychology 05/2015; DOI:10.1037/a0039180

Watson, S., Townsend, S.W., Schel, A.M., Wilke, C., Wallace, E. Cheng, L., West, V., Slocombe, K.E. (2015). Reply to Fischer et al. Current Biology 25, R1019–R1031.

2014

Evers E, de Vries H, Spruijt BM, Sterck EHM (2014) The EMO-model: An agent-based model of primate social behavior regulated by two emotional dimensions, anxiety-FEAR and satisfaction-LIKE. PLoS ONE 9(2): e87955. doi:10.1371/journal.pone.0087955

Laurense, Tessa S., Wettlaufer, Deborah, Whitehouse-Tedd, Katherine & Duchateau, Maria (2014). Testing Environmental Enrichment for Captive Cheetahs: A Case Study. The Shape of Enrichment, 23 (1-2), (pp. 12-14) (3 p.).

Loos, M., Koopmans, B., Aarts, E., Maroteaux, G., van der Sluis, S., Verhage, M., Smit, A.B., Brussaard, A.B., Borst, J.G., Elgersma, Y., Galjart, N., van der Horst, G.T., Levelt, C.N., Pennartz, C.M., Smit, A.B., Spruijt, Berry & de Zeeuw, C.I. (2014). Sheltering behavior and locomotor activity in 11 genetically diverse common inbred mouse strains using home-cage monitoring. PLoS ONE, 9 (9) (9 p.).

Moe, R.O., Nordgreen, J., Janczak, A.M., Bakken, M., Spruijt, Berry & Jensen, P. (22-06-2014). Anticipatory and foraging behaviors in response to palatable food reward in chickens: Effects of dopamine D2 receptor blockade and domestication. Physiology & behavior, 133, (pp. 170-177).

Overduin-de Vries, A. M.; Spruijt, B. M.; Sterck, E. H. M. (2014) Long-tailed macaques (Macaca fascicularis) understand what conspecifics can see in a competitive situation. Animal Cognition 17: 77-84 

Spruijt BM, Suzanne M Peters, Raymond C de Heer, Helen H J Pothuizen, Johanneke E van der Harst (2014) Reproducibility and relevance of future behavioral sciences should benefit from a cross fertilization of past recommendations and today's technology: "Back to the future". 
Journal of Neuroscience Methods DOI:10.1016/j.jneumeth.2014.03.001

2013

Balasubramaniam, K.N., Berman, C.M., De Marco, A., Dittmar, K., Majolo, B., Ogawa, H., Thierry, B., de Vries, H. (2013) Consistency of dominance rank order: A comparison of Davids scores with I&SI and Bayesian methods in Macaques. American Journal of Primatology 75: 959–971 

De Boer R.A., Overduin - de Vries A.M., Louwerse A.L. & Sterck E.H.M. 2013. The Behavioral Context of Visual Displays in Common Marmosets (Callithrix jacchus). American Journal of Primatology, 75: 1084-1095.

Hardus ME, de Vries H, Dellatore DF, Lameira AR, Menken SBJ, Wich SA (2013) Socioecological correlates of inter-individual variation in orangutan diets at Ketambe, Sumatra. Behavioral Ecology and Sociobiology 67: 429-437. DOI 10.1007/s00265-012-1463-8

Kempes, M.M., Sterck, E.H.M & Orobio de Castro, B. (2013) Conflict Resolution in Non-Human Primates and Human Children. Chapter 22 in: War, Peace and Human Nature. D.P. Fry (Ed.) 

Lameira AR, Hardus ME, Kowalsky B, de Vries H, Spruijt BM, Sterck EH, Shumaker RW, Wich SA. (2013) Orangutan (Pongo spp.) whistling and implications for the emergence of an open-ended call repertoire: a replication and extension. J Acoust Soc Am.134(3): 2326-35 
doi: 10.1121/1.4817929. 

Lameira AR, Hardus ME, Nouwen KJJM, Topelberg E, Delgado RA, Spruijt, BM, Sterck, Knott, CD, Wich SA(2013) Population-Specific Use of the Same Tool-Assisted Alarm Call between Two Wild Orangutan Populations (Pongo pygmaeus wurmbii) Indicates Functional Arbitrariness. PLoS ONE 8(7): e69749. doi:10.1371/journal.pone.0069749 

Lameira AR, de Vries H., Hardus ME, Hall CPA, Mitra-Setia T, Spruijt BM, Kershenbaum A, Sterck EHM, van Noordwijk M, van Schaik CP, Wich SA (2013) Predator guild does not influence orangutan alarm call rates and combinations. Behavioral Ecology and Sociobiology 67: 519-528

Massen, J.J.M. & Sterck, E.H.M. (2013) Stability and durability of intra- and intersex social bonds of captive Rhesus macaques (Macaca mulatta). International Journal of Primatology, 34: 770–791

Moe, R.O., Nordgreen, J., Janczak, A.M., Spruijt, B.M., Bakken, M. (2013) Effects of signalled reward type, food status and a μ-opioid receptor antagonist on cue-induced anticipatory behaviour in laying hens (Gallus domesticus). Applied Animal BehaviourScience, 148 (1-2), pp. 46-53. 

Mul, J.D., Spruijt, B.M., Brakkee, J.H., Adan, R.A.H. (2013) Melanocortin MC4 receptor-mediated feeding and grooming in rodents. European Journal of Pharmacology, 719 (1-3), pp. 192-201. 

A.M. Overduin-de Vries, C. Uhrenholt Olesen, H. de Vries, B.M. Spruijt & E.H.M. Sterck (2013) Sneak copulations in long-tailed macaques (Macaca fascicularis): no evidence for tactical deception. Behavioral Ecology and Sociobiology 67: 101-111. Paper.
Features online in news item in Times. 
Features online in news item in Huffington Post.
Makaken hebben stiekeme seks.

Schmid, V.S. & de Vries, H. (2013) Finding a dominance order most consistent with a linear hierarchy: an improved algorithm for the I&SI method. Animal Behaviour 86: 1097-1105

Uher, Jana; Werner, Christina S.; Gosselt, Karlijn (2013). From observations of individual behaviour to social representations of personality: Developmental pathways, attribution biases, and limitations of questionnaire methods. JOURNAL OF RESEARCH IN PERSONALITY Volume: 47 Issue: 5 Pages: 647-667

Van Dam, E.A., Van Der Harst, J.E., Ter Braak, C.J.F., Tegelenbosch, R.A.J., Spruijt, B.M., Noldus, L.P.J.J. (2013) An automated system for the recognition of various specific rat behaviours. Journal of Neuroscience Methods, 218 (2), pp. 214-224. 

Dissertations: 

Adriano R. Lameira "Orangutan call communication and the puzzle of speech evolution". Promotors: prof B.M. Spruijt, prof. S.A. Wich co-promotor: dr. E.H.M. Sterck (23 January 2013)

Anne Overduin - de Vries "I spy with my little eye. The presence and social application of visual perspective taking" Promotor: prof B.M. Spruijt co-promotor: dr. E.H.M. Sterck (11 February 2013)

2012

Amici, F., Call, J. &Aureli, F. (2012) Aversion of violation of expectations of food distribution: the role of special tolerance and relative dominance in seven primate species. Behaviour 149(3-4): 345-368. DOI: 10.1163/156853912X637833 

Beckers, G.J.L., Bolhuis, J.J., Okanoya, K. & Berwick, R.C. (2012) Birdsong neurolinguistics: Songbird context-free grammar claim is premature. NeuroReport, 23, 139-145.

Berwick, R.C., Beckers, G.J.L., Okanoya, K. & Bolhuis, J.J. (2012) A bird’s eye view of human language evolution. Front. Evol. Neurosci., 4:5

Dekleva, M., van den Berg, L.M., Spruijt, B.M. & Sterck, E.H.M. (2012) Take it or leave it: Transport of tools for future use by long-tailed macaques (Macaca fascicularis). Behavioural Processes 90(3): 392-401, DOI: 10.1016/j.beproc.2012.04.003 

Eda-Fujiwara, H., Imagawa, T., Matsushita, M., Matsuda, Y., Takeuchi, H., Satoh, R., Watanabe, A., Zandbergen, M.A., Manabe, K., Kawashima, T. & Bolhuis, J.J. (2012) Localized brain activation related to the strength of auditory learning in a parrot. PloS One, 7(6), e38803.

Evers, E., de Vries, H., Spruijt, B.M., Sterck, E.H.M. (2012) Look before you leap - individual variation in social vigilance shapes socio-spatial group properties in an agent-based model. Behavioral Ecology and Sociobiology 66: 931-945.
DOI: 10.1007/s00265-012-1342-3

Gogarten, JF, Brown, LM, Chapman,CA, Cords, M, Doran-Sheehy, D, Fedigan, LM, Grine, FE, Perry, S, Pusey, AE, Sterck, EHM, Wich, SA, and Wright, PC (2012) Seasonal mortality patterns in non-human primates: implications for variation in selection pressures across environments. Evolution 66(10): 3252-3266. DOI: 10.1111/j.1558-5646.2012.01668.x 

Goossens, B.M.A., van den Berg, L. M., Reader, S.M. & Sterck E.H.M. (2012) An analysis of gaze following to a hidden location in long-tailed macaques (Macaca fascicularis). Behaviour 149: 1319-1337 

Hardus, M.E., Lameira, A.R., Zulfa, A., Utami-Atmoko, S., de Vries, H., Wich, S.A. (2012). Behavioral, ecological and evolutionary aspects of meat-eating by Sumatran orangutans (Pongo abelii). Int. J. Primatol. 33: 287-304. 
DOI: 10.1007/s10764-011-9574-z

Koops, K., McGrew, W.C., de Vries, H., Matsuzawa, T. (2012). Nest-building by chimpanzees (Pan troglodytes verus) at Seringbara, Nimba Mountains: anti-predation, thermoregulation and anti-vector Hypotheses. Int. J. Primatol. 33: 356-380.
DOI: 10.1007/s10764-012-9585-4

Koski, S.E., de Vries, H., Van de Kraats A. & Sterck, E.H.M. (2012) Stability and change of social relationship quality components in captive chimpanzees. International Journal of Primatology 33(4): 905-921. (DOI) 10.1007/s10764-012-9623-2 

Massen, J.J.M., Overduin – de Vries, A.M., de Vos – Rouweler, A.J.M., Spruijt, B.M., Doxiadis, G.G.M.  & Sterck, E.H.M. (2012). Male mating tactics in captive rhesus macaques, Macaca mulatta: the influence of dominance, markets and relationship quality. Int. J. Primatol.  33: 73-92.

Massen, J.J.M., van den Berg, L.M., Spruijt, B.M. & Sterck, E.H.M. (2012) Inequity aversion in relation to effort and relationship quality in long-tailed macaques (Macaca fascicularis). American Journal of Primatology 74(2): 145-156. DOI: 10.1002/ajp.21014 

Massen, J.J.M., Vermunt, D.A. & Sterck, E.H.M. (2012) Male yawning is more contagious than female yawning among chimpanzees (Pan troglodytes). PlosOne 7(7) Article Number: e40697 DOI: 10.1371/journal.pone.0040697 

Overduin-de Vries, A.M., Massen, J.J.M., Spruijt, B.M. & Sterck, E.H.M. (2012) Sneaky monkeys: an audience effect of male rhesus macaque (Macaca mulatta) on sexual behaviour. American Journal of Primatology 74: 217-228

Sterck, E.H.M. (2012) Behavioural ecology of colobine monkeys. In: The Evolution of Primate Societies. (edited by JC Mitani, J Call, PM Kappeler, RA Palombit, and JB Silk)

Suzanne M. Peters, Elise H. Bleijenberg, Machteld C. van Dierendonck, Johanneke E. van der Harst & Berry M. Spruijt (2012) Characterization of anticipatory behaviour in domesticated horses (Equus caballus). Applied Animal Behaviour Science 138: 60-69.
DOI: 10.1016/j.applanim.2012.01.018

Dissertations: 

Charlotte Lindeijer "A neurobehavioural analysis of social behaviour and learning in fish and mammals". Promotor: prof J.J. Bolhuis, co-promotor: dr. S.M. Reader (2 April 2012)

2011

Berwick RC, Okanoya K, Beckers GJL & Bolhuis JJ (2011) Songs to syntax: the linguistics of birdsong. Trends Cogn. Sci. 15:113-121. 

Bolhuis JJ, Brown GR, Richardson RC, Laland KN (2011) Darwin in Mind: New Opportunities for Evolutionary Psychology. PLoS Biol 9(7): e1001109. doi:10.1371/journal.pbio.1001109 

Dekleva M., Dufour V., de Vries H., Spruijt B.M., Sterck E.H.M. (2011). Chimpanzees (Pan troglodytes) fail a what-where-when task but find rewards by means of a location-based association strategy, PloS ONE 6(2): e16593. 
doi: 10.1371/journal.pone.0016593 
(Features online in NewScientist news item)

Evers E, de Vries H, Spruijt BM, Sterck EHM (2011) Better Safe than Sorry - Socio-Spatial Group Structure Emerges from Individual Variation in Fleeing, Avoidance or Velocity in an Agent-Based Model. PLoS ONE 6(11): e26189. doi:10.1371/journal.pone.0026189

Hemelrijk, C.K. & Bolhuis, J.J. (2011) A minimalist approach to comparative psychology. Trends in Cognitive Sciences, 15, 185-186. 

Massen, J.J.M., Luyten, I.J.A.F., Spruijt, B.M. & Sterck, E.H.M. (2011). Benefiting friends or dominants: Pro-social choices mainly depend on rank position in long-tailed macaques (Macaca fascicularis). Primates 52(3): 237-247.

Moorman, S., Mello, C.V., and Bolhuis, J.J. From songs to synapses: Molecular mechanisms of birdsong memory. BioEssays, 33(5): 377-385, 2011.

Mühlhoff, N., Stevens, J. R. & Reader, S. M. 2011. Spatial discounting of food and social rewards in guppies (Poecilia reticulata). Frontiers in Psychology, 2, 68.

Reader, S. M., Hager, Y. & Laland, K. N. 2011. The evolution of primate general and cultural intelligence. Philosophical Transactions of the Royal Society B, 366, 1017-1027. 

Sfakianakis D.G., Leris I. & Kentouri M. 2011. Effect of developmental temperature in swimming performance of zebrafish (Danio rerio) juveniles. Environmental Biology of Fishes 90(4), 421-427.

Sfakianakis D.G., Leris I., Laggis A. & Kentouri M. 2011. The effect of rearing temperature on body shape and meristic characters in zebrafish (Danio rerio) juveniles. Environmental Biology of Fishes92, 197-205.

Sterck, E.H.M. & Louwerse, A.L. (2011) De getemde aap: mogelijkheden en beperkingen voor natuurlijk houden van java-apen en resusapen. Biotechniek 50(5): 213-219

Toelch, U., Bruce, M. J., Meeus, M. T. H. & Reader, S. M. 2011. Social performance cues induce behavioral flexibility in humans. Frontiers in Psychology, 2, 160.

Dissertations:

Marusha Dekleva: "Tools, Treats and Toys. What human and non human primates recall about their past and plan about their future." Promotor: prof dr. B.M. Spruijt; co-promotor: dr. E.H.M. Sterck (21 September 2011).

2010

Amici, F., Aureli, F., Call, J. (2010) Monkeys and apes: are their social skills really that different? American Journal of Physical Anthropology 143: 188-197.

SW Bastian ML, Zweifel N, Vogel ER, Wich SA. CP van Schaik (2010) Diet traditions in wild orangutans. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 143(2): 175-187   

Bolhuis, J.J. (2010) Imprinting. In: The Corsini Encyclopedia of Psychology, 4th ed., I.B. Weiner & W.E. Craighead (Eds.), Hoboken, NJ: John Wiley & Sons, pp. 806-807.

Bolhuis, J.J. & Eda-Fujiwara, H. (2010) Birdsong and the brain: The syntax of memory. NeuroReport, 21, 395-398.

Bolhuis, J.J. & Giraldeau, L.-A. (Eds.) (2010) Animal Behaviour (4 volumes). London: Sage Publications. ISBN 978-1-84787-539-6.

Bolhuis, J.J. & Giraldeau, L.-A. (2010) Introduction: Mechanisms of animal behaviour. In: Animal Behaviour, Vol. 1, Causation: The Mechanisms of Animal Behaviour, J.J. Bolhuis & L.-A. Giraldeau (Eds.) London: Sage Publications, pp. xix-xxxv. 

Bolhuis, J.J. & Honey, R.C. (2010) Imprinting, learning, and development: From behaviour to brain and back. In: Animal Behaviour, Vol. 2, Development of Animal Behaviour, J.J. Bolhuis & L.-A. Giraldeau (Eds.) London: Sage Publications, pp. 153-163.

Bolhuis, J.J., Okanoya, K. & Scharff, C. (2010) Twitter evolution: Converging mechanisms in birdsong and human speech. Nature Reviews Neuroscience, 11, 747-759.

Giraldeau, L.-A. & Bolhuis, J.J. (2010) Function and evolution of animal behaviour. In: Animal Behaviour, Vol. 3, The Function of Behaviour, J.J. Bolhuis & L.-A. Giraldeau (Eds.) London: Sage Publications, pp. vii-xviii.

Gobes, S.M.H., Zandbergen, M.A. & Bolhuis, J.J. (2010) Memory in the making: Localized brain activation related to song learning in young songbirds. Proc. Roy. Soc. B., 277, 3343-3351.

González-Lagos, C., Sol, D. & Reader, S. M. 2010. Large-brained mammals live longer. Journal of Evolutionary Biology, 23, 1064-1074. (Features online in a podcast by Scientific American)

Kamal, A; Van der Harst, JE; Kapteijn, CM; Baars, AJM; Spruijt, BM; Ramakers, GMJ (2010) Announced reward counteracts the effects of chronic social stress on anticipatory behavior and hippocampal synaptic plasticity in rats. Exp. Brain Res, 201 (4): 641-651

Kempes, M., Matthys, W., de Vries, H. & van Engeland, H. (2010). Children's aggressive responses to neutral peer behavior: A form of unprovoked reactive aggression. Psychiatry Research 176: 219-223.

Koski, S. E. & Sterck, E. H. M. (2010) Empathic Chimpanzees: A proposal of the levels of emotional and cognitive processing in chimpanzee empathy. European Journal of Developmental Psychology. 7(1): 38-66.

Laland, K. N. & Reader, S. M. (2010). Comparative perspectives on human innovation. In: Innovation in Cultural Systems: Contributions from Evolutionary Anthropology (Ed. by O'Brien, M. J. & Shennan, S. J.), pp. 37-51. Cambridge, Mass.: MIT Press.

Laland, K. N. & Reader, S. M. 2010. Animal innovation. In Encyclopedia of animal behavior, volume 2 (ed. M. Breed & J. Moore), pp. 150-154. Oxford: Academic Press.

Lameira, A.R., Delgado, R.A. & Wich, S.A. (2010). Review of geographic variation in terrestrial mammalian acousic signals: human speech variation in a comparative perspective. Journal of Evolutionary Psychology 8: 309-332.

Lindeyer, C. M. & Reader, S. M. 2010. Social learning of escape routes in zebrafish and the stability of behavioural traditions. Animal Behaviour, 79, 827-834.

Massen, J.J.M., Sterck, E.H.M. & de Vos, H. (2010). Close social associations in animals and humans: functions and mechanisms of friendship. Behaviour147: 1379-1412

Massen J.J.M., van den Berg L.M., Spruijt B.M., Sterck E.H.M. (2010) Generous Leaders and Selfish Underdogs: Pro-Sociality in Despotic Macaques. PLoS ONE 5(3): e9734. doi:10.1371/journal.pone.0009734

Moe RO, Nordgreen J, Janczak AM, Spruijt BM, Kostal L, Skjerve E, Zanella AJ, Bakken M. (2010) Effects of haloperidol, a dopamine D2-like receptor antagonist, on reward-related behaviors in laying hens. Physiol Behav. 2010 Dec 14. 102 (3-4) 400-405

Morand-Ferron, J., Doligez, B., Dall, S. R. X. & Reader, S. M. 2010. Social information use. InEncyclopedia of animal behavior, volume 3 (ed. M. D. Breed & J. Moore), pp. 242-250. Oxford: Academic Press.

Notenboom RG, Ramakers GM, Kamal A, Spruijt BM, de Graan PN. (2010) Long-lasting modulation of synaptic plasticity in rat hippocampus after early-life complex febrile seizures. Eur J Neurosci. 2010 Sep;32(5):749-58. doi: 10.1111/j.1460-9568.2010.07321.x. Epub 2010 Jul 32 (5) 749-758.

Reader, S. M. & Biro, D. 2010. Experimental identification of social learning in wild animals.Learning & Behavior, 38, 265-283.

Spillmann B., Dunkel L.P., van Noordwijk M.A., Amda R.N.A., Lameira A.R., Wich S.A. & van Schaik C.P. (2010). Acoustic properties of long calls given by flanged male orang-utans (Pongo pygmaeus wurmbii) reflect both individual identity and context. Ethology 116: 385–395

Sterck, E. H. M. & Begeer, S. (2010) Theory of Mind: Specialized capacity or emergent property? European Journal of Developmental Psychology 7(1): 1-16.

Sterck, E. H. M., Begeer, S., Cuperus, J.M. & Wezel, R.J.A. van (2010) Theory of Mind: Specialized capacity or emergent property? Special issue of European Journal of Developmental Psychology.

de Sousa, A.A., Sherwood, C.C., Mohlberg, H., Amunts, K., Schleicher, A., MacLeod, C.E., Hof, P.R., Frahm, H., Zilles, K. (2010) "Hominoid visual brain structure volumes and the 
position of the lunate sulcus", Journal of Human Evolution. 58, 281-292. 

de Sousa, A.A., Sherwood, C.C., Schleicher, A., Hof, P.R., Amunts, K., MacLeod, C.E., Zilles, K. (2010). “Comparative cytoarchitectural analyses of striate and extrastriate areas 
in hominoids”. Cerebral Cortex. 20, 966-981.

Toelch, U., Bruce, M. J., Meeus, M. T. H. & Reader, S. M. 2010. Humans copy rapidly increasing choices in a multiarmed bandit problem. Evolution and Human Behavior, 31, 326-333.

Usher, L., Johnstone, A., Erturk, A., Hu, Y., Strikis, D., Wanner, D., Moorman, S., Lee, J-W., Min, J., Ha, H-H., Duan, Y., Hoffman, S., Goldberg, J., Bradke, F., Chang, Y-T., Lemmon, V., and Bixby, J. (2010) A chemical screen identifies novel compounds that overcome glial-mediated inhibition of neuronal regeneration. The Journal of Neuroscience 13: 4693-4706.

Dissertations:

Jorg J.M. Massen (23-06-10) 'Friendship' in Macaques. Economics and Emotions. Promotor: Prof. B.M. Spruijt; co-promotor: Dr. E.H.M. Sterck

Mr. Eugénie C. de Bordes (14-12-10) Dieren in het geding. Promotor: Prof B.M. Spruijt

2009

Amici, F., Call, J., Aureli, F. (2009) Variation in withholding of information in three monkey species. Proceedings of the Royal Society B 276: 3311-3318. 

Bissonnette A., de Vries, H. & van Schaik, C.P. (2009) Coalitions in male Barbary macaques (Macaca sylvanus): strength, success and rules of thumb. Animal Behaviour 78: 329-335

Bolhuis, J.J. (2009) Function and mechanism in neuroecology: looking for clues. In: Tinbergen's Legacy: Function and Mechanism in Behavioral Biology., J.J. Bolhuis & S. Verhulst (Eds.) Cambridge: Cambridge ľ�ϸ���Ӱ�� Press, pp. 163-196. 

Bolhuis, J.J. (2009) Selfless memes. Review of: The Age of Empathy. Nature’s Lessons for a Kinder Society, Frans de Waal. Harmony Books, 2009.Science, 326, 1063.

Bolhuis, J.J. & Verhulst, S. (Eds.) (2009)Tinbergen's Legacy: Function and Mechanism in Behavioral Biology. Cambridge: Cambridge ľ�ϸ���Ӱ�� Press.

Bolhuis, J.J. & Wynne, C.D.L. (2009) Can evolution explain how minds work? Nature, 458, 832-833.

Champagne FA, Curley JP, Swaney WT, Hasen NS & Keverne EB (2009). Paternal influence on female behavior: The role of Peg3 in exploration, olfaction and neuroendocrine regulation of maternal behavior of female mice. Behavioral Neuroscience 123, 469-480.

Curley JP, Jordan ER, Swaney WT, Izraelit A, Kammel S & Champagne FA (2009). The meaning of weaning: influence of the weaning period on behavioral development in mice. Developmental Neuroscience 31, 318-331.

Dalm S, de Visser L, Spruijt BM, Oitzl MS. (2009) Repeated rat exposure inhibits the circadian activity patterns of C57BL/6J mice in the home cage. Behav Brain Res. 196(1):84-92

Delgado, RA, Lameira, AR, Ross, MD, Husson, SJ, Morrogh-Bernard, HC & Wich, SA (2009). Geographical variation in orangutan long calls. In: Orangutans: Geographic Variation in Behavioral Ecology and Conservation. S.A. Wich, S.S. Utami Atmoko, T. Mitra Setia and C.P. van Schaik (Eds.) New York: Oxford ľ�ϸ���Ӱ�� Press, pp. 215-224

van Dierendonck, M.C., de Vries, H., Schilder, M.B.H., Colenbrander, B.,Thorhallsdottir, A. & Sigurjonsdottir, H. (2009) Interventions in social behaviour in a herd of mares and geldings. Applied Animal Behaviour Science 116: 67-73.

Gobes, S.M.H., ter Haar, S.M., Vignal, C., Vergne, A.L., Mathevon, N. & Bolhuis, J.J. (2009) Differential responsiveness in brain and behavior to sexually dimorphic long calls in male and female zebra finches. J. Comp. Neurol., 516,312-320.

Hardus, M.E., Lameira, A.R., van Schaik, C.P. & Wich, S.A. (2009) Tool use in wild orangutans modifies sound production: a functionally deceptive innovation? Proceedings of the Royal Society B-Biological Sciences, 1673, 3689-3694.

Hardus, ME, Lameira, AR, Singleton, I, Morrogh-Bernard, HC, Knott, CD, Ancrenaz, M, Utami Atmoko, SS, & Wich, SA (2009) A description of the urangutan's vocal and sound repertoire, with a focus on geographic variation. In: Orangutans: Geographic Variation in Behavioral Ecology and Conservation. S.A. Wich, S.S. Utami Atmoko, T. Mitra Setia and C.P. van Schaik (Eds.) New York: Oxford ľ�ϸ���Ӱ�� Press, pp. 49-64

Hogan, J.A. & Bolhuis, J.J. (Eds.). (2009). Causal Mechanisms of Behavioural Development. Cambridge: Cambridge ľ�ϸ���Ӱ�� Press. Paperback reprint. ISBN-13: 9780521111782.

Hogan, J.A. & Bolhuis, J.J. (2009) Tinbergen's Four Questions and Contemporary Behavioral Biology. In: Tinbergen's Legacy: Function and Mechanism in Behavioral Biology., J.J. Bolhuis & S. Verhulst (Eds.) Cambridge: Cambridge ľ�ϸ���Ӱ�� Press, pp. 25-34.

Hogan, J.A. & Bolhuis, J.J. (2009) The development of behavior: Trends since Tinbergen (1963). In: Tinbergen's Legacy: Function and Mechanism in Behavioral Biology., J.J. Bolhuis & S. Verhulst (Eds.) Cambridge: Cambridge ľ�ϸ���Ӱ�� Press, pp. 82-106

Jaeggi AV, Dunkel LP, Van Noordwijk MA, Wich SA, AAL Sura, CP van Schaik (2010) Social Learning of Diet and Foraging Skills by Wild Immature Bornean Orangutans: Implications for Culture. AMERICAN JOURNAL OF PRIMATOLOGY 72 62-71.

Kasumovic, M. M., Bruce, M. J., Herberstein, M. E. & Andrade, M. C. B. (2009) Evidence for developmental plasticity in response to demographic variation in nature. Ecology 90: 2287-2296.

Kempes, M.M., den Heijer, E., Korteweg, L., Louwerse, A.L., Sterck, E.H.M (2009) Socially deprived rhesus monkeys fail to reconcile: do they not attempt or not accept reconciliation? Animal Behaviour 78: 271-277

Koski, S. E. & Sterck, E. H. M. (2009) Post-conflict third-party affiliation in chimpanzees: What's in it for the third party? American Journal of Primatology 71: 409-418

Natarajan, D., de Vries, H., Saaltink, D., de Boer, S.F. & Koolhaas, J.M. (2009) Delineation of violence from functional aggression in mice: An ethological approach. Behavior Genetics 39: 73-90.

Natarajan, D., de Vries, H., Saaltink, D., de Boer, S.F. & Koolhaas, J.M. (2009) Violent phenotype in SAL mice is inflexible and fixed in adulthood. Aggressive Behavior 35: 430-436.

Rao, D., Webster, M., Heiling, A. M., Bruce, M. J. & Herberstein, M. E. (2009) The aggregating behaviour of Argiope radon, with special reference to web decorations, Journal of Ethology 27: 35-42. DOI: 10.1007/s10164-007-0080-x

Swaney WT & Keverne EB (2009). The Evolution of Pheromonal Communication. Behavioural Brain Research 200, 239-247.

Toelch, U., van Delft, M., Bruce, M. J., Donders, A. R. T., Meeus, M. T. H. & Reader, S. M. 2009. Decreased environmental variability induces a bias for social information use in humans. Evolution and Human Behavior, 30, 32-40.

de Vries, H. (2009) On using the DomWorld model to evaluate dominance ranking methods. Behaviour 146: 843-869.

Wich, S.A., de Vries, H., Ancrenaz, M., Perkins, L., Shumaker, R.W., Suzuki, A. and van Schaik, C.P. (2009). Orangutan life history variation. In: Orangutans: Geographic Variation in Behavioral Ecology and Conservation. S.A. Wich, S.S. Utami Atmoko, T. Mitra Setia and C.P. van Schaik (Eds.) New York: Oxford ľ�ϸ���Ӱ�� Press, pp. 65-75.

Wich, S.A., Shumaker, R., Perkins, L. & de Vries, H. (2009) Captive and wild orangutan (Pongo sp.) survivorship: A comparison and the influence of management. American Journal of Primatology 71: 680-686.

Wich, S.A., Swartz, K.B., Hardus, M.E., Lameira, A.R., Stromberg, E. & Shumaker, R.W. (2009) A case of spontaneous acquisition of a human sound by an orangutan. Primates 50: 56-64

Yvonne R.A. van Zeeland, Berry M. Spruit T. Bas Rodenburg, Bernd Riedstra, Yvonne M. van Hierden, Bart Buitenhuis S. Mechiel Korte Johannes T. Lumeij (2009). Feather damaging behaviour in parrots: a review with consideration of comparative aspects. Applied Animal Behaviour Science 121: 75-95.

Book reviews, meeting abstracts and other publications:

Bolhuis, J.J. (2009) EP or not EP, that is the question. De Academische Boekengids, 76, 20.

Bolhuis, J.J. (2009) Gissen naar de geschiedenis van de geest. De Academische Boekengids, 75, 34-39.

Bolhuis, J.J. (2009) Denkend aan Darwin.Bionieuws, 19, 10.

Toelch U, Bruce MJ, Meeus MTH, Reader SM. (2009)
Innovation: Novel behaviours in humans and non-human animals from an evolutionary perspective. International Journal of Psychology 43: 254.

Watts DP & de Vries H (2009) Linearity and strength of male chimpanzee dominance hierarchies at Ngogo, Kibale National Park, Uganda. American Journal of Physical Anthropology, Suppl. 48: 267.

Book chapters

Husson SJ, Wich SA, Marshall AJ, Dennis RD, Ancrenaz M, Brassey R, Gumal M, Hearn AJ, Meijaard E, Simorangkir T and others. 2009. Orangutan distribution, density, abundance and impacts of disturbance. Orangutans: Geographic variation in behavioral ecology and conservation. New York: Oxford Univ Press. p 77-96.

Knott CD, Emery Thompson M, Wich SA. 2009. The ecology of female reproduction in wild orangutans. ORANGUTANS: GEOGRAPHIC VARIATION IN BEHAVIORAL ECOLOGY AND CONSERVATION. New York: Oxford Univ Press. p 171-188.

Marshall AJ, Ancrenaz M, Brearley FQ, Fredriksson GM, Ghaffar N, Heydon M, Husson SJ, Leighton M, McConkey KR, Morrogh-Bernard HC and others. 2009a. The effects of forest phenology and floristics on populations of Bornean and Sumatran orangutans. In: Wich SA, Utami Atmoko SS, Mitra Setia T, Schaik CPv, editors. Orangutans: Geographic variation in behavioral ecology and conservation. New York: Oxford ľ�ϸ���Ӱ�� Press. p 97-118.

Marshall AJ, Lacy R, Ancrenaz M, Byers O, Husson SJ, Leighton M, Meijaard E, Rosen N, Singleton I, Stephens S and others. 2009b. Orangutan population biology, life history, and conservation. ORANGUTANS: GEOGRAPHIC VARIATION IN BEHAVIORAL ECOLOGY AND CONSERVATION. New York: Oxford Univ Press. p 311-326.

Morrogh-Bernard HC, Husson SJ, Knott CD, Wich SA, van Schaik CP, van Hoordwijk MA, Lackman-Ancrenaz I, Marshall AJ, Kanamori T, Kuze N and others. 2009. Orangutan activity budgets and diet: a comparison between species, populations and habitats. ORANGUTANS: GEOGRAPHIC VARIATION IN BEHAVIORAL ECOLOGY AND CONSERVATION. New York: Oxford Univ Press. p 119-133.

Prasetyo D, Ancrenaz M, Morrogh-Bernard HC, Utami Atmoko SS, Wich SA, van Schaik CP. 2009. Nest building in orangutans. ORANGUTANS: GEOGRAPHIC VARIATION IN BEHAVIORAL ECOLOGY AND CONSERVATION. New York: Oxford Univ Press. p 269-277.

Russon AR, Wich SA, Ancrenaz M, Kanamori T, Knott CD, Kuze N, Morrogh-Bernard HC, Pratje P, Ramlee H, Rodman P and others. 2009. Geographic variation in orangutan diets. In: Wich SA, Utami Atmoko SS, Mitra Setia T, Van Schaik CP, editors. Orangutans: Geographic variation in behavioral ecology and conservation. New York: Oxford ľ�ϸ���Ӱ�� Press. p 135-155.

Singleton I, Knott CD, Morrogh-Bernard HC, Wich SA, van Schaik CP. 2009. Ranging behavior of orangutan females and social organization. ORANGUTANS: GEOGRAPHIC VARIATION IN BEHAVIORAL ECOLOGY AND CONSERVATION. New York: Oxford Univ Press. p 205-213.

van Schaik CP, Marshall AJ, Wich SA. 2009. Geographic variation in orangutan behavior and biology. ORANGUTANS: GEOGRAPHIC VARIATION IN BEHAVIORAL ECOLOGY AND CONSERVATION. New York: Oxford Univ Press. p 351-361.

Wich SA, Utami Atmoko SS, Mitra Setia T, van Schaik CP. 2009b. ORANGUTANS: GEOGRAPHIC VARIATION IN BEHAVIORAL ECOLOGY AND CONSERVATION. New York: Oxford Univ Press. xxxi + 408 pp.

Dissertations:

Rafael Calderon, 24-09-09. Reproductive biology of varroa mites in colonies of Africanized honey bees. Promotor: Prof. dr. J.J. Bolhuis; co-promotor: Prof. dr. M.J. Sommeijer

Sharon Gobes 25-02-09. Bird Brains and Songs: Neural Mechanisms of auditory Memory and Perception in Zebra Finches. Promotor: Prof.dr. J.J. Bolhuis

2008

Amici, F., Aureli, F., Call, J. (2008) Fission-fusion dynamics, behavioural flexibility, and inhibitory control in primates. Current Biology 18: 1415-1419

Bolhuis, J.J. (2008) Chasin' the trace: The neural substrate of bird song memory. In: Neuroscience of Birdsong (Eds. H. Philip Zeigler and Peter Marler) Cambridge ľ�ϸ���Ӱ�� Press, 269-279.

Bolhuis, J.J. (2008) Piling on the selection pressure. Review of: Evolutionary Psychology as Maladaptive Psychology, Robert C. Richardson. MIT Press, 2007. Science, 320, 1293.

Bolhuis, J.J. (2008) Neural dissociation between vocal production and auditory recognition memory in both songbirds and humans. In: The Evolution of Language, A.D.M. Smith, K. Smith & R. Ferrer I Cancho (Eds.). New Jersey: World Scientific, pp. 403-404.

Boogert, N. J., Reader, S. M., Hoppitt, W. & Laland, K. N. (2008) The origin and spread of innovations in starlings. Animal Behaviour, 75, 1509-1518.

Boumans, T., Gobes, S.M.H., Poirier, C., Theunissen, F.E., Vandersmissen, L., Pintjens, W., Verhoye, M., Bolhuis, J.J. & Van der Linden, A. (2008) Functional MRI of auditory responses in the zebra finch forebrain reveals a hierarchical organisation based on signal strength but not selectivity. PLoS One, 3, e3184.

Brodin, A. & Bolhuis, J.J. (2008) Memory and brain in food storing birds: space oddities or adaptive specialisations? Ethology, 114, 633-645.

Caramaschi, D., De Boer, S.F., De Vries, H., Koolhaas, J.M. (2008). Development of violence in mice through repeated victory along with changes in prefrontal cortex neurochemistry. Behavioural Brain Research 189: 263-272

Dufour V. & Sterck E.H.M. (2008) Chimpanzees fail to plan in an exchange task but succeed in a tool-using procedure. Behavioural Processes 79: 19-27

van Gassen KL, Hessel EV, Ramakers GM, Notenboom RG, Wolterink-Donselaar IG, Brakkee JH, Godschalk TC, Qiao X, Spruijt BM, van Nieuwenhuizen O, de Graan PN. characterization of febrile seizures and febrile seizure susceptibility in mouse inbred strains. Genes Brain Behav. 2008 Jul;7(5):578-86

Gobes, S.M.H. & Bolhuis, J.J. (2008) Bird brains key to the functions of sleep. Science, 322, 1789 (letter to the editor)

Goossens, B. M. A., Dekleva, M., Reader, S. M., Sterck, E. H. M. & Bolhuis, J. J. (2008) Gaze following in monkeys is modulated by observed facial expressions. Animal Behaviour 75: 1673-1681. DOI:10.1016/j.anbehav.2007.10.020

Heimel JA, Hermans JM, Sommeijer JP; Neuro-Bsik Mouse Phenomics consortium, Levelt CN. Genetic control of experience-dependent plasticity in the visual cortex. Genes Brain Behav. 2008 Nov;7(8):915-23

van Hoogdalem, A.-G., Singer, E., Bekkema, N. & Sterck, E.H.M. (2008) Young children who intervene in peer conflicts in multicultural child care centers. Behaviour 145(11): 1653-1670

Jansen J, Bolhuis JE, Schouten WG, Spruijt BM, Wiegant VM. (2008) Spatial learning in pigs: effects of environmental enrichment and individual characteristics on behaviour and performance. Anim Cogn. 2008 Sep 16.

Francien H. de Jonge, Hetty Boleij, Annemarie M. Baars, Suzan Dudink, Berry M. Spruijt, Music during play-time: Using context conditioning as a tool to improve welfare in piglets, Applied Animal Behaviour Science, Volume 115, Issues 3-4, 31 December 2008, Pages 138-148

Francien H. de Jonge, Sarah-Lee Tilly, Annemarie M. Baars, Berry M. Spruijt, On the reward-ing nature of appetitive feeding behaviour in pigs (Sus scrofa): Do domesticated pigs contra-freeload?, Applied Animal Behaviour Science, Volume 114, Issues 3-4, 1 December 2008, Pages 359-372

Francien H. de Jonge, Monique Ooms, Willem W. Kuurman, Joseph H.R. Maes, Berry M. Spruijt, Are pigs sensitive to variability in food rewards?, Applied Animal Behaviour Science, Volume 114, Issues 1-2, November 2008, Pages 93-104

Kas MJ, de Mooij-van Malsen AJ, Olivier B, Spruijt BM, van Ree JM. Differential genetic regulation of motor activity and anxiety-related behaviors in mice using an automated home cage task. Behav Neurosci. 2008 Aug;122(4):769-76

Kasumovic, M. M., Bruce, M. J., Andrade, M. C. B. & Herberstein, M. E. (2008) Spatial and temporal demographic variation drives within-season fluctuations in sexual selection, Evolution, 62: 2316-2325, DOI: 10.1111/j.1558-5646.2008.00446.x

Kempes, M., de Vries, H., Matthys, W., van Engeland, H. & van Hooff, J. (2008) Differences in cortisol response affect the distinction of observed reactive and proactive aggression in children with aggressive behaviour disorders. J Neural Transmission 115: 139-147. DOI 10.1007/s00702-007-0810-9

Kempes, M.M., Orobio de Castro, B. & Sterck, E.H.M (2008) Conflict management in 6-8 year old aggressive Dutch boys: do they reconcile? Behaviour 145(11): 1701-1722.

Kempes, M.M., Gulickx, M.M.C., van Daalen, H.J.C., Louwerse, A.L., Sterck, E.H.M. (2008) Social competence is reduced in socially deprived rhesus monkeys. Journal of Comparative Psychology 122(1): 62-67.

Lameira A.R. & Wich S.A. (2008) Orangutan long call degradation and individuality over distance: A playback approach. International Journal of Primatology 29: 615-625

Poot, H., Ens, B.J., de Vries, H., Donners, M.A.H., Wernand, M.R. & Marquenie, J.M. (2008). Green light for nocturnally migrating birds. Ecology and Society 13(2): 47

Reader, S. M., Bruce, M. J. & Rebers, S. (2008) Social learning of route preferences in adult humans. Biology Letters, 4, 37-40.

Lidewij L. Schipper, Claudia M. Vinke, Matthijs B.H. Schilder, Berry M. Spruijt, The effect of feeding enrichment toys on the behaviour of kennelled dogs (Canis familiaris), Applied Animal Behaviour Science, Volume 114, Issues 1-2, November 2008

Schneider, J. M., Herberstein, M. E., Bruce, M. J., Kasumovic, M. M., Thomas, M. L. & Elgar, M. A. (2008) Male copulation frequency, sperm competition and genital damage in the golden orb-web spider Nephila plumipes. Australian Journal of Zoology, 56: 233-238.

Sol, D., Bacher, S., Reader, S. M. & Lefebvre, L. (2008) Brain size predicts the success of mammal species introduced into novel environments. The American Naturalist, 172, S63-S71.

Sterck E.H.M. & Goossens, B.M.A. (2008) The meaning of 'macaque' facial expressions. Proceedings of the National Academy of Sciences of the United States of America 105(43): E71 (letter to the editor)

Swaney WT, Curley JP, Champagne FA & Keverne EB (2008). The paternally expressed gene Peg3 regulates sexual experience-dependent preferences for estrous odors. Behavioral Neuroscience 122, 963-973.

Claudia M. Vinke, Steffen W. Hansen, Jaakko Mononen, Hannu Korhonen, Jonathan J. Cooper, Maarit Mohaibes, Morten Bakken, Berry M. Spruijt, To swim or not to swim: An interpretation of farmed mink's motivation for a water bath, Applied Animal Behaviour Science, Volume 111, Issues 1-2, May 2008, Pages 1-27

Wich, S.A., Schel A.M. & de Vries, H. (2008) Geographic variation in Thomas Langur (Presbytes thomasi) loud calls. American Journal of Primatology 70: 566-574

Markus Wohr, Bart Houx, Rainer K.W. Schwarting, Berry Spruijt, Effects of experience and context on 50-kHz vocalizations in rats, Physiology & Behavior, Volume 93, Issues 4-5, 18 March 2008, Pages 766-776

Wynne, C.D.L. & Bolhuis, J.J. (2008) Minding the gap: Why there is still no theory in comparative psychology. Behav. Brain Sci., 31, 152-153.

Dissertations:

Brigitte Goossens - Utrecht, 17-12-2008. There is more to gaze than meets the eye - How animals perceive the visual behaviour of others. Promotor: Prof.dr. J.J. Bolhuis; co-promotores: dr. E.H.M. Sterck, dr. S.M. Reader

Robert Kajobe - Utrecht d.d. 28-05-2008. Foraging behaviour of equatorial Afrotropical stingless bees: habitat selection and competition for resources. Promotores: Prof.dr. J.J. Bolhuis and Prof. dr. J.A.R.A.M. van Hooff; co-promotor: Prof. dr. M.J. Sommeijer

2007

Alain Boissy a,_, Gerhard Manteuffel b, Margit Bak Jensen c, Randi Oppermann Moe d,Berry Spruijt e, Linda J. Keeling f, Christoph Winckler g, Björn Forkman h, Ivan Dimitrov i,Jan Langbein b, Morten Bakken j, Isabelle Veissier a, Arnaud Aubert . Assessment of positive emotions in animals to improve their welfare, Physiology & Behavior 92 (2007) 375&endash;397

Cornelisse LN, Van der Harst JE, Lodder JC, Baarendse PJ, Timmerman AJ, Mansvelder HD, Spruijt BM, Brussaard AB. Reduced 5-HT1A- and GABAB receptor function in dorsal raphé neurons upon chronic fluoxetine treatment of socially stressed rats. J. Neurophysiol. 2007 Jul;98(1):196-204

Dufour V., Pelé M., Sterck E.H.M. & Thierry B. (2007) Chimpanzee anticipation of food return: Coping with waiting time in an exchange task. Journal of Comparative Psychology 121(2): 145-155.

Marien Gerritzen, Bert Lambooij, Henny Reimert, Arjan Stegeman, Berry Spruijt, A note on behaviour of poultry exposed to increasing carbon dioxide concentrations, Applied Animal Behaviour Science, Volume 108, Issues 1-2, 10 December 2007, Pages 179-185

Gobes SHM & Bolhuis JJ (2007) Birdsong memory: A neural dissociation between song recognition and production. Current Biology 17, 789-793. doi: 10.1016/j.cub.2007.03.059

Harst, J.E. van der & Spruijt, B.M. (2007). Tools to measure and improve animal welfare: reward-related behaviour. Animal Welfare, 16 (S), 67-73

Kasumovic, M. M., Bruce, M. J., Herberstein, M. E., & Andrade, M. C. B. (2007). Risky mate search and mate preference in the golden orb-web spider (Nephila plumipes), Behavioural Ecology. 18: 189-195. doi:10.1093/beheco/arl072

Koops, K., Humle T., Sterck E.H.M., Matsuzawa T. (2007) Ground nesting in the chimpanzees of the Nimba Mountains, Guinea. American Journal of Primatology 69: 407-419

Koski, SE & Sterck, EHM (2007) Triadic post-conflict affiliation in captive chimpanzees; does consolation console? Animal Behaviour 73: 133-142.

Koski SE, Koops K and Sterck EHM (2007) Reconciliation, relationship quality and post-conflict anxiety: Testing the Integrated Hypothesis in captive chimpanzees. Am J Primatol. 69: 158-172

Koski, SE, de Vries, H, van den Tweel, SW & Sterck EHM (2007) What to do after a fight? The determinants and inter-dependency of post-conflict interactions in chimpanzees. Behaviour 144: 529-555

Lubbers M.E., Bos van de R., & Spruijt B.M. (2007) Mu opioid receptor knock out mice in the Morris water maze: A learning or motivation deficit. Behavioural Brain Research, 180, 107-111

Meijer, M.K., Sommer, R., Spruijt, B.M. & Zutphen, L.F.M. van (2007). Influence of environmental enrichment and handling on the acute stress response in individually housed mice. Laboratory Animals

Moe, R.O., Bakken, M., Kittilsen, S., Kingsley-Smith, H. & Spruijt, B.M. (2006). A note on reward-related behaviour and emotional expressions in farmed silver foxes (Vulpes vulpes) - Basis for a novel tool to study animal welfare. Applied Animal Behaviour Science, 101, 362-368

Plasman, M., Duchateau, M.J.H.M, Macedonia, J.M. (2007) Anti-predation behaviour of Dickerson's collared lizard, Crotaphytus dickersonae. Animal Biology 57: 231-246.

Reader, S. M. 2007. Environmentally invoked innovation and cognition. Behavioral and Brain Sciences, 30, 420-421.

Reale D, Reader SM, Sol D, McDougall PT, Dingemanse NJ (2007) Integrating animal temperament within ecology and evolution. Biological Reviews 82: 291-318

Mitra Setia, T. and van Schaik, C.P. (2007) The response of adult orang-utans to flanged male long calls: inferences about their function. Folia Primatologica 78: 215-226.

Sterck E.H.M. & Dufour V. (2007) First test, then judge future-oriented behaviour in animals. Behavioral and Brain Sciences 30: 333-334.

Stevens JMG, Vervaecke H, de Vries H, van Elsacker L. (2007) Sex differences in the steepness of dominance hierarchies in captive bonobo groups. International Journal of Primatology 28:1417-1430.

Swaney WT, Curley JP, Champagne FA &Keverne EB (2007). Genomic imprinting mediates sexual experience-dependent olfactory learning in male mice. Proceedings of the National Academy of Sciences of the USA 104, 6084-6089.

Toelch, U & Winter, Y (2007) Psychometric function for nectar volume perception of a flower-visiting bat. J Comp Physiol A 193: 265-269

Vervaecke, H., Stevens, J.M.G., Vandemoortele, H., Sigurjonsdottir, H. & de Vries H. (2007) Aggression and dominance in matched groups of subadult Icelandic horses (Equus caballus). Journal of Ethology 25: 239-248

Visser, L. de Bos , R. van den, Stoker, A.K. Kas, M.J.H. &Spruijt, B.M. (2007) Effects of genetic background and environmental novelty on wheel running as a rewarding behaviour in mice. Behavioural Brain Research, 177 (2), 290-297

Wich, S.A., Steenbeek, R., Sterck, E.H.M., Korstjens, A.H. Willems, E.P. and Schaik, C. P. van (2007) Demography and life history of Thomas langurs (Presbytis thomasi). American Journal of Primatology 69: 641-651.

Wich, S. A.. & Sterck E.H.M. (2007) Familiarity and threat of opponents determine variation in Thomas langur (Presbytis thomasi) male behaviour during between-group encounters. Behaviour 144: 1583-1598

Book reviews, meeting abstracts and other publications:

Bolhuis, J.J. (2007) Niko's natuurwetenschap. De Academische Boekengids, 64, 21-23.

Bolhuis, J.J. (2007) Folk ethology bewijst Tinbergen geen eer. Bionieuws, 17, 7.

Bolhuis JJ (2007) Neural mechanisms of birdsong memory. Neuroscience Research 58: S24-S24 Suppl. 1, 2007

Bruce, M. J. 2007. Review of Fish Cognition and Behaviour, Culum Brown, Kevin Laland and Jens Krause (Eds). Blackwell Publishing. 2006. Pp 328. ISBN 1-4051-3429-1. ISBE ľ�ϸ���Ӱ��letter 19, 11-12.

Eda-Fujiwara H, Satoh R, Bolhuis JJ, Zandbergen MA, Miyamoto T (2007) Neuronal activation related to auditory memory in parrot brain. Neuroscience Research 58: S226-S226 Suppl. 1, 2007

Dissertations:

Sonja E. Koski - Utrecht d.d. 14-03-2007 Chimpanzees, conflicts, and cognition. Functions and mechanisms of chimpanzee conflict resolution. Promotoren: prof. dr J.A.R.A.M. van Hooff, prof. dr. J.J. Bolhuis; co-promotor: dr. E.H.M. Sterck

2006

van Adrichem GGJ, Utami SS, Wich SA, van Hooff, JARAM & Sterck, EHM (2006) The development of wild immature Sumatran orangutans (Pongo abelii) at Ketambe. Primates 47: 300-309

Artola, A.J.F., Frijtag Drabbe Künzel, J.C. von, Fermont, P.C.J., Gispen, W.H., Schrama, L.H., Kamal, A., & Spruijt, B.M. (2006). Long-lasting modulation of the induction of LTD and LTP in rat hippocampal CA1 by behavioural stress and environmental enrichment. European Journal of Neuroscience, 23, 261-272

van den Berg, L., Schilder, M.B.H., de Vries, H., Leegwater, P.A.J. & van Oost, B.A. (2006) Phenotyping of aggressive behavior in golden retriever dogs with a questionnaire. Behavior Genetics 36: 882-902

den Boer, S.P.A. & Duchateau, M.J.H.M. (2006) A larval hunger signal in the bumblebee Bombus terrestris. Insectes Sociaux 53: 369-373

Bolhuis, J.J. & Gahr, M. (2006) Neural mechanisms of birdsong memory. Nature Rev. Neurosci., 7, 347-357

Boogert NJ, Hofstede FE, Monge IA (2006) The use of food source scent marks by the stingless beeTrigona corvina (Hymenoptera : Apidae): the importance of the depositor's identity. Apidologie 37: 366-375

Boogert, N. J., Reader, S. M. & Laland, K. N. 2006. The relation between social rank, neophobia and individual learning in starlings. Animal Behaviour, 72, 1229-1239.

Bos, R. van den, Harst, J.E. van der, Jonkman, S., Schilders, M., & Spruijt, B.M. (2006). Rats assess costs and benefits according to an internal standard. Behavioural Brain Research, 171, 350-354

Bos, R. van den, Houx, B.B., & Spruijt, B.M. (2006). The effect of reward magnitude differences on choosing disadvantageous decks in the Iowa Gambling Task. Biological Psychology, 71(2), 155-161.

Bos, R. van den, Lasthuis, W., Heijer, E. den, Harst, J.E. van der, & Spruijt, B.M. (2006). Toward a rodent model of the Iowa Gambling Task. Behavior Research Methods, Instruments, and Computers, 38(3), 470-478

Bruce, M. J. & Herberstein, M. E. (2006). The influence of predator cues on orb-web spider foraging behaviour, Ethology, Ecology and Evolution. 18: 91-96.

Bruce, M. J. (2006). Silk decorations of spiders: controversy and consensus, Journal of Zoology. 269: 89-97.

Buij, R., Fox, E. F., and Wich, S. A. (2006) Birds of the Gunung Leuser National Park, northern Sumatra. Kukila 13: 23-47

Dudink, S., Simonse, H., Marks, I., Jonge, F.H. de, & Spruijt, B.M. (2006). Announcing the arrival of enrichment increases play behaviour and reduces weaning-stress-induced behaviours of piglets directly after weaning. Applied Animal Behaviour Science, 101, 86-101

Fredriksson, G. M., Wich, S. A., and Trisno (2006) Frugivory in sun bears (Helarctos malayanus) linked to El Niño-related fluctuations in fruiting phenology, East Kalimantan, Indonesia. Biological Journal of the Linnean Society 89: 489-508

Gerritzen, M.A., Lambooij, E., Stegeman, J.A., & Spruijt, B.M. (2006). Slaughter of poultry during the epidemic of avian influenza in the Netherlands in 2003. Veterinary Record, 159(2), 39-42.

Gerritzen, M.A., Lambooij, E., Reimert, H.G., Spruijt, B.M., & Stegeman, J.A. (2006). Susceptibility of duck and turkey to severe hypercapnic hypoxia. Poultry science, 85, 1055-1061

Hofstede FE, Sommeijer MJ (2006) Influence of environmental and colony factors on the initial commodity choice of foragers of the stingless beePlebeia tobagoensis (Hymenoptera, Meliponini) Insectes Sociaux 53: 258-264

Hofstede FE, Sommeijer MJ (2006) Effect of food availability on individual foraging specialisation in the stingless bee Plebeia tobagoensis(Hymenoptera, Meliponini). Apidologie 45: 387-397

Hofstede FE, Sommeijer MJ (2006) Effect of experience on foraging performance in the stingless bee Plebeia tobagoensis (Hymenoptera, Meliponini). Journal of Apicultural Research 37: 42-45

Lefebvre, L., Reader, S. M. & Boire, D. 2006. The evolution of encephalization. In: Evolution of Nervous Systems Volume I: History of Ideas, Basic Concepts and Developmental Mechanisms (Ed. by Striedter, G. F. & Rubenstein, J. L. R.), pp. 121-142. Oxford: Academic Press.

McDougall, P. T., Réale, D., Sol, D. & Reader, S. M. (2006). Wildlife conservation and animal temperament: causes and consequences of evolutionary change for captive, reintroduced, and wild populations. Animal Conservation 9: 39-48

Meijer, M.K., Kramer, K., Remie, R., Spruijt, B.M., Zutphen, L.F.M. van, & Baumans, V. (2006). Effect of routine procedures on physiological parameters in mice kept under different husbandry procedures. Animal Welfare, 15(1), 31-38

Reader, S. M. 2006. Evo-devo, modularity, and evolvability: insights for cultural evolution. Behavioral and Brain Sciences, 29, 361-362.

Reader, S. M. 2006. Brain size in primates as a function of behavioral innovation. In: Evolution of Nervous Systems Volume V: The Evolution of Primate Nervous Systems (Ed. by Preuss, T. M. & Kaas, J. H.), pp. 261-266. Oxford: Academic Press.

Van Schaik, C.P., van Noordwijk, M. and Wich, S.A. (2006) Innovation in wild Bornean orangutans (Pongo pygmaeus wurmbii)) Behaviour. 143: 839-876.

Slaa, E.J. (2006) Population dynamics of a stingless bee community in the seasonal dry lowlands of Costa Rica. Insectes Sociaux 53: 70-79

Slaa EJ, Sanchez Chaves LA, Malagodi-Braga KS, Hofstede FE (2006) Stingless bees in applied pollination: practice and perspectives. Apidologie 37: 293-315

Spruijt, B.M., & Visser, L. de (2006). Advanced behavioural screening: automated home cage ethology. Drug Discovery Today: Technologies, 3(2), 231-237

Stevens, J.M.G., Vervaecke, H., de Vries, H., van Elsacker, L. (2006) Social structures in Pan paniscus: Testing the female bonding hypothesis. Primates 47: 210-217

Terpstra, N.J., Bolhuis, J.J., Riebel, K., Van der Burg, J.M.M. & den Boer-Visser, A.M. (2006). Localized brain activation specific to auditory memory in a female songbird. J. Comp. Neurol. 494: 784-791

Velthuis, H.H.W., de Vries, H. & Imperatriz-Fonseca, V.L. (2006) The polygyny of Melipona bicolor: scramble competition among queens. Apidologie 37: 222-239

Vick SJ, Toxopeus I & Anderson JR (2006) Pictorial gaze cues do not enhance long-tailed macaques' performance on a computerised object-location task. Behavioural Processes 73: 308-314

Vinke, C.M., Houx, B.B., Bos, R. van den, & Spruijt, B.M. (2006). Anticipatory behaviour and stereotypical behaviour in farmed mink (Mustela vison) in the presence, absence and after the removal of swimming water. Applied Animal Behaviour Science, 96, 129-142.

Visser, L. de, Bos, R. van den, Kuurman, W.W., Kas, M.J.H., & Spruijt, B.M. (2006). Novel approach to the behavioural characterization of inbred mice: automated home cage observations. Genes, Brain and Behavior, 5(6), 458-466

de Vries, H., Stevens, J.M.G. & Vervaecke H. (2006) Measuring and testing the steepness of dominance hierarchies. Animal Behaviour 71: 585-592

Wich, S.A. & de Vries, H. Male monkeys remember which group members have given alarm calls. Proceedings of the Royal Society B 273: 735-740

Wich, S. A., Geurts, M. L., Mitra Setia, T.,and Utami-Atmoko, S. S. (2006). Influence of fruit availability on Sumatran orangutan sociality and reproduction. In: Feeding Ecology in apes and other Primates. Hohmann, G., Robbins, M. and Boesch, C. (Eds.). Cambridge, Cambridge ľ�ϸ���Ӱ�� Press. pp. 335-356

Wich, S. A., Utami-Atmoko, S.S., Mitra Setia, T., Djoyosudharmo, S., and Geurts, M.L. (2006) Dietary and energetic responses of Pongo abelii to fruit availability fluctuations. International Journal of Primatology 27: 1535-1550

Book reviews and other publications:

Bolhuis, J.J. (2006) Het neurovisie songfestival.Bionieuws, 16, 6 (27 mei).

de Vries H. (2006) Learning how neural networks learn, develop and evolve. Review of: Neural Networks and Animal Behaviour by M. Enquist & S. Ghirlanda. Princeton ľ�ϸ���Ӱ�� Press. Ethology 112:307-308

Dissertations:

Frouke E. Hofstede - Utrecht d.d. 01-05-2006 Foraging task specialisation and foraging labour allocation in stingless bee colonies. Promotor: prof. dr. J.J. Bolhuis; co-promotor: dr. M.J. Sommeijer

2005

Publications (2005)

Bolhuis, J.J. (2005) Function and mechanism in neuroecology: Looking for clues. Anim. Biol., 55, 457-490

Bolhuis, J.J. (2005) Development of behavior. In: The Behavior of Animals. Mechanisms, Function, and Evolution. (Bolhuis, J.J. & Giraldeau, L.-A., Eds.) Oxford: Blackwell Publishing.

Bolhuis, J.J. & Giraldeau, L.-A. (Eds.) (2005) The Behavior of Animals. Mechanisms, Function, and Evolution. Oxford: Blackwell Publishing.

Bolhuis, J.J. & Giraldeau, L.-A. (2005) The study of animal behavior. In: The Behavior of Animals. Mechanisms, Function, and Evolution. (Bolhuis, J.J. & Giraldeau, L.-A., Eds.) Oxford: Blackwell Publishing.

Bolhuis, J.J. & Hogan, J.A. (2005) Ethological approaches to behavioural development. In: The Cambridge Encyclopedia of Child Development, pp. 64-69, B. Hopkins (Ed.). Cambridge: Cambridge ľ�ϸ���Ӱ�� Press.

Bruce, M. J. & Herberstein, M. E. (2005). Web decoration polymorphism in Argiope Audouin, 1826 (Araneidae) spiders: ontogenetic and interspecific variation. Journal of Natural History. 39: 3833-3845.

Bruce, M. J., Heiling, A. M. & Herberstein, M. E. (2005). Spider signals: are web decorations visible to birds and bees? Biology Letters: 1: 299-302.

Diergaarde, L., Spruijt, B.M., Wolterink-Donselaar, I.G., Gerrits, M.A.F.M., & Ree, J.M. van (2005). Neonatal amygdala lesions affect appetitive motivational and consummatory aspects of social behavior in the rat. Behavioral Neuroscience, 119(3), 814-20.

Harst, J.E. van der, Baars, A.M., & Spruijt, B.M. (2005). Announced rewards counteract the impairment of anticipatory behaviour in socially stressed rats. Behavioural Brain Research, 161, 183-189.

Hogan, J.A. & Bolhuis, J.J. (2005) The development of behavior: Trends since Tinbergen (1963). Anim. Biol., 55, 371-398

Kempes, M., Matthys W., de Vries, H., van Engeland, H. (2005) Reactive and proactive aggression in children: a review of theory, findings and the relevance for child and adolescent psychiatry. European Child and Adolescent Psychiatry 14: 11-19

Mathon, D., Lesscher, H.M.B., Gerrits, M.A.F.M., Kamal, A., Pintar, J.E., Schuller, A.G., Spruijt, B.M., Burbach, J.P.H., Smidt, M.P., & Ramakers, G.M.J. (2005). Increased gabaergic input to ventral tegmental area dopaminergic neurons associated with decreased cocaine reinforcement in mu-opioid receptor knockout mice. Neuroscience, 130(2), 359-367.

Mishra, A., Koene, P., Schouten, W., Spruijt, B.M., & Beek, P. van (2005). Temporal and sequential structure of behavior and facility usage of laying hens in an enriched environment. Poultry science, 84(7), 979-991.

Nikitopoulos, E., Heistermann, M., de Vries, H., van Hooff, J.A.R.A.M. & Sterck, E.H.M. (2005). A pair choice test to identify female mating patterns in relation to ovulation in long-tailed macaques (Macaca fascicularis). Animal Behaviour 70: 1283-1296

Reader, S. M., Sol, D. & Lefebvre, L. 2005. Comparing cognition across species. Trends in Cognitive Sciences, 9, 411

Rodenburg, T.B., Koene, P., Bokkers, E.A.M., Bos, M.E.H., Uitdehaag, K.A. & Spruijt, B.M. (2005) Can short-term frustration facilitate feather pecking in laying hens? Applied Animal Behaviour Science, 91(1-2), 85-101

Van Schaik, C.P., Wich, S.A., Utami, S. S. & Odom, K. (2005) A simple method alternative to line transects of nests for estimating orangutan densities. Primates 46:249-254

Sterck, E.H.M., Willems, E.P., van Hooff, J.A.R.A.M. & Wich, S.A. (2005) Female dispersal, inbreeding avoidance and mate choice in Thomas langurs (Presbytis thomasi). Behaviour 142: 845-868

Stevens, J.M.G., Vervaecke, H., de Vries, H., van Elsacker, L. (2005) Peering is not a formal indicator of subordination in bonobos (Pan paniscus). American Journal of Primatology 65: 255-267

Stevens, J.M.G., Vervaecke, H., De Vries, H., Van Elsacker, L. (2005) The influence of steepness of dominance hierarchies on reciprocity and interchange in captive groups of bonobos (Pan paniscus). Behaviour 142: 941-960

Terpstra, N.J., Bolhuis, J.J., den Boer-Visser, A.M. & ten Cate, C. (2005).  Neuronal activation related to auditory perception in the brain of a non-songbird, the ring dove. J. Comp. Neurol. 488: 342-351

Toxopeus, I.B., Sterck, E.H.M., Willems, E.P., van Hooff, J.A.R.A.M., Spruijt, B.M. & Heeren, T.J. (2005) Effects of trait anxiety on performance of socially housed monkeys in a learning test. Behaviour 142: 1269-1287

Vervaecke, H., Roden, C. & de Vries, H. (2005) Dominance, fatness and fitness in female American bison, Bison bison. Animal Behaviour 70: 763-770

Vinke, C.M., Leeuwen, J. van, & Spruijt, B.M. (2005). Juvenile farmed mink (Mustela vison) with additional access to swimming water play more frequently than animals housed with a cylinder and platform, but without swimming water. Animal Welfare 14, 53-60

Visser, L. de, Bos R. van den, & Spruijt, B.M. (2005) Automated home cage observations as a tool to measure the effects of wheel running on cage floor locomotion. Behavioural Brain Research 28;160(2):382-8

Book reviews and other publications:

Bolhuis, J.J. (2005) Dieren in 't diepst van hun gedachten. De Academische Boekengids, 50, 15-17.

Bolhuis, J.J. (2005) Acting on instinct. Review of:Patterns of Behavior. Konrad Lorenz, Niko Tinbergen, and the Founding of Ethology, Richard W. Burkhardt, Jr. ľ�ϸ���Ӱ�� of Chicago Press, 2005. Nature 435, 740-741.

Bolhuis, J.J. (2005) We're not Fred or Wilma. Review of: Adapting Minds. Evolutionary Psychology and the Persistent Quest for Human Nature. by David J. Buller. MIT Press, Cambridge, Mass and London, 2005. Science 309, 706

Bolhuis, J.J. (2005) Op zoek naar het brein achter ons geheugen. Natuurkundige Voordrachten van de Koninklijke Maatschappij voor Natuurkunde 'Diligentia', Nieuwe Reeks, 83, 45-54.

Koops K, Humle T, Matsuzawa T, Sterck L (2005) Ground nesting in the chimpanzees of Nimba Mountains, Guinea, West Africa: environmental or social? Primate Report 72: 54-55

Koski SE, Sterck L (2005) Is consolation consoling? Post-conflict third party affiliation in captive chimpanzees. Primate Report 72: 55

Sterck EHM, Nikitopoulos E, Heistermann M, de Vries H, van Hooff JARAM (2005) Female choice in long-tailed macaques: an experimental study of mating preferences in relation to the female cycle. Primate Report 72: 93

Dissertations:

Maaike Kempes - Utrecht d.d. 01-04-2005 The distinction between reactive and proactive aggression in children with disruptive behaviour disorders. Promotoren: prof. dr. H. van Engeland, prof. dr. W. Matthys, prof. dr. J.A.R.A.M. van Hooff; co-promotor: dr. H. de Vries

Nienke Terpstra - Leiden d.d. 02-06-2005 The neural substrate for auditory perception and memory in birds. Promotoren: prof. dr. J.J. Bolhuis, prof. dr. C.J. ten Cate

2004

Bokkers, E.A.M., Koene, P., Rodenburg, T.B., Zimmerman, P.H., & Spruijt, B.M. (2004). Working for food under conditions of varying motivation in broilers. Animal Behaviour, 68, 105-113.

Bos, R. van den, Harst, J.E. van der, Vijftigschild, N., Spruijt, B.M., Luijtelaar, G., & Maes, R. (2004). On the relationship between anticipatory behaviour in a Pavlovian paradigm and Pavlovian-to-Instrumental Transfer in rats. Behavioural Brain Research, 153, 397-408

Boubli, J. P., Eriksson, J., Wich, S. A., Hohmann, G. and Fruth, B. (2004). Mesoscale Tree Inventory of the Lomako-Yekokora Interfluvium, Democratic Republic of the Congo. Biodiversity and Conservation 13: 2399-2417.

Bruce, M. J., Heiling, A. M. & Herberstein, M. E. (2004). Web decorations and foraging success in "Araneus" eburnus (Araneae: Araneaidae). Annales Zoologici Fennici 41: 563-575.

Diergaarde, L., Gerrits, M.A.F.M., Stuy, A., Spruijt, B.M., & Ree, J.M. van (2004). Neonatal amygdala lesions and juvenile isolation in the rat: differential effects on locomotor and social behavior later in life. Behavioral Neuroscience, 118, 298-305

Duchateau, M.J.H.M., Velthuis, H.H.W. & Boomsma, J.J. (2004). Sex ratio variation in the bumblebeeBombus terrestris. Behavioral ecology 15: 71-82.

Gerritzen, M.A., Lambooij, B., Reimert, H., Stegeman, J.A., & Spruijt, B.M. (2004). On-farm euthanasia of broiler chickens: effects of different gas mixtures on behaviour and brain activity. Poultry science, 83, 1294-1301

Gottlieb, G. & Bolhuis, J.J. (2004) Imprinting. In: Encyclopedia of Neuroscience, 3d edition - CD ROM version. G. Adelman & B.H. Smith (Eds.). Elsevier.

Hoogland, J.L., Davis, S., Benson-Amram, S., Labruna, D., Goossens, B.M.A. & Hoogland, M.A. (2004). Pyraperm kills fleas and halts plague among utah prairie dogs. Southwestern Naturalist 49, 376-383.

Kas, M.J.H., Bos, R. van den, Baars, A.M., Lubbers, M.E., Lesscher, H.M., Hillebrand, J.J.G., Schuller, A.G., Pintar, J.E., & Spruijt, B.M. (2004). Mu-opioid receptor knockout mice show diminished food-anticipatory activity. European Journal of Neuroscience, 20(6), 1624-1632

Knoch, M.E., Gobes, S.M.H., Pavlovska, I , Su, C, Mistlberger, R.E. & Glass, J.D. (2004) Short-term exposure to constant light promotes strong circadian phase-resetting responses to nonphotic stimuli in syrian hamsters. Eur. J. Neurosci. 19: 2779-2790

Knop, E., Ward, P. I. and Wich, S. A. (2004). Comparing orangutan density in a logged and unlogged forest on Sumatra. Biological Conservation 120: 183-188.

Lefebvre, L., Reader, S. M. & Sol, D. (2004) Brains, innovations and evolution in birds and primates. Brain Behav Evol 63: 233-246.

Morand-Ferron, J., Lefebvre, L., Reader, S. M., Sol, D. & Elvin, S. (2004) Dunking behaviour in Carib grackles. Animal Behaviour 68: 1267-1274

Nikitopoulos E ; Arnhem E, van Hooff JARAM ; Sterck EHM (2004) Influence of female copulation calls on male sexual behavior in captive Macaca fascicularis. International Journal of Primatology 25: 659-677.

Reader, S. M. 2004. Don't call me clever. New Scientist, 183, 34-37.

Reader, S. M. 2004. Distinguishing social and asocial learning using diffusion dynamics. Learning and Behavior, 32, 90-104.

Reader, S. M. (2004). Comment on 'The invention of technology: Prehistory and cognition'. Current Anthropology, 45, 154-155.

Rodenburg, T.B., Koene, P., & Spruijt, B.M. (2004). Reaction to frustration in high and low feather pecking lines of laying hens from commercial or semi-natural rearing conditions. Behavioural processes, 65(2), 179-188

Sommeijer, M.J., Bruijn, L.L.M. & Meeuwsen, F.J.A.J. (2004). Behaviour of males, gynes and workers at drone congregations sites of the stingless bee Melipona favosa (Apidae:Meliponini). Entomologische berichten 64 (1), 10-15.

Terpstra, N.J., Bolhuis, J.J. & den Boer-Visser, A.M. (2004) An analysis of the neural representation of birdsong memory. J. Neurosci. 24: 4971-4977

Vinke, C.M., Bos, R. van den, & Spruijt, B.M. (2004). Anticipatory activity and stereotypical behaviour in American mink (Mustela vison) in three housing systems differing in the amount of enrichments. Applied Animal Behaviour Science, 89, 145-161

Wich, S. A., Assink, P. R. & Sterck, E. H. M. (2004). Thomans langurs (Presbytis thomasi) discriminate between calls of young solitary versus older group-living males: a factor in avoiding infanticide? Behaviour 141: 41-51.

Wich, S. A., Buij, R. & van Schaik, C. P. (2004). Determinants of orangutan density in the dryland forests of the Leuser Ecosystem. Primates 45:177-182

Wich, S. A.., Utami-Atmoko, S. S., Mitra Setia, T., Rijksen, H. R., Schürmann, C., van Hooff, J. A. R. A. M., and van Schaik, C. P. (2004). Life history of wild Sumatran orangutans (Pongo abelii). Journal of Human Evolution 47: 385-398 

Book reviews and other publications:

Bolhuis, J.J. (2004) Biography of a brilliant birdwatcher. (review of Niko's Nature. A life of Niko TInbergen and his science of animal behaviour, by Hans Kruuk. Oxford ľ�ϸ���Ӱ�� Press, 2003). Science, 303, 1140-1141.

Reader, S. M. 2004. Review of Dingemanse N.J. 2003. Natural selection and avian personality in a fluctuating environment. Ardea, 92, 265-266.

Dissertations:

Ingrid Aguilar Monge - Utrecht d.d. 25-03-2004 Communication and recruitment for the collection of food in stingless bees: a behavioural approach. Promotoren: prof. dr J.J. Bolhuis, prof. dr. H.J.Th. Goos; co-promotoren: dr. M.J. Sommeijer, dr. J.W. van Veen

Ido B. Toxopeus - Utrecht d.d. 15-11-2004 Testing cognitive performance of socially housed monkeys: possibilities and limitations of the study of social influences on age-related cognitive decline. Promotoren: prof. dr. B.M. Spruijt, prof. dr. T.J. Heeren, prof. dr. J.A.R.A.M. van Hooff

Tong Xuan Chinh - Utrecht d.d. 17-05-2004 Reproduction in eusocial bees (Apidae: Apini, Meliponini). Promotor: prof. dr. J.A.R.A.M. van Hooff; co-promotoren: dr. M.J. Sommeijer, dr. W.J. Boot