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  Author Title Year (down) Publication Serial Volume Pages Links
Sovrano, V.A.; Bisazza, A.; Vallortigara, G. How fish do geometry in large and in small spaces 2007 Animal Cognition 2462 10 47-54 details   doi
Meehan, C.L.; Mench, J.A. The challenge of challenge: Can problem solving opportunities enhance animal welfare? 2007 Applied Animal Behaviour Science 2890 102 246-261 details   url
Gifford, A.K.; Cloutier, S.; Newberry, R.C. Objects as enrichment: Effects of object exposure time and delay interval on object recognition memory of the domestic pig 2007 Applied Animal Behaviour Science 2892 107 206-217 details   doi
Heinrich, B.; Bugnyar, T. Just how smart are ravens? 2007 Scientific American 4101 296 64-71 details   openurl
Reimers, M.; Schwarzenberger, F.; Preuschoft, S. Rehabilitation of research chimpanzees: stress and coping after long-term isolation 2007 Hormones and Behavior 4188 51 428-435 details   doi
Kralj-Fiser, S.; Scheiber, I.B.R.; Blejec, A.; Moestl, E.; Kotrschal, K. Individualities in a flock of free-roaming greylag geese: behavioral and physiological consistency over time and across situations 2007 Hormones and Behavior 4189 51 239-248 details   doi
Li, C.; Jiang, Z.; Tang, S.; Zeng, Y. Influence of enclosure size and animal density on fecal cortisol concentration and aggression in Pere David's deer stags 2007 General and Comparative Endocrinology 5475 151 202-209 details   doi
Zentall, T.R. Imitation: definitions, evidence, and mechanisms 2006 Animal cognition 217 9 335-353 details   doi
Heitor, F.; do Mar Oom, M.; Vicente, L. Social relationships in a herd of Sorraia horses Part I. Correlates of social dominance and contexts of aggression 2006 Behavioural Processes 292 73 170-177 details   doi
Dzieweczynski, T.L.; Eklund, A.C.; Rowland, W.J. Male 11-ketotestosterone levels change as a result of being watched in Siamese fighting fish, Betta splendens 2006 General and comparative endocrinology 502 147 184-189 details   doi
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