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  Author Title Year Publication Serial Volume Pages Links (down)
Cameron, E.Z. Facultative adjustment of mammalian sex ratios in support of the Trivers-Willard hypothesis: evidence for a mechanism 2004 Proceedings. Biological sciences / The Royal Society 413 271 1723-1728 details   doi
Bugnyar, T.; Stöwe, M.; Heinrich, B. Ravens, Corvus corax, follow gaze direction of humans around obstacles 2004 Proceedings of the Royal Society B: Biological Sciences 5009 271 1331-1336 details   doi
Griffiths,S. W.; Brockmark, S.; Höjesjö,J.; Johnsson,J. I. Coping with divided attention: the advantage of familiarity 2004 Proceedings of the Royal Society B: Biological Sciences 5007 271 695-699 details   doi
Hunt, G.R.; Gray, R.D. The crafting of hook tools by wild New Caledonian crows 2004 Proceedings of the Royal Society B: Biological Sciences 3526 271 S88-S90 details   doi
Gardner, A., West, S. A. Cooperation and Punishment, Especially in Humans 2004 The American Naturalist 341 164 753-764 details   doi
Yacoub Khallad Conceptualization in the pigeon: What do we know? 2004 International Journal of Psychology 3519 39 73-94 details   doi
PNR Powers[1]; AJ Harrison[1] Influences of a rider on the rotation of the horse-rider system during jumping 2004 Equine and Comparative Exercise Physiology 3662 1 33-40 details   doi
Paz-y-Miño C. G.; Bond, A.B.; Kamil, A.C.; Balda, R.P. Pinyon jays use transitive inference to predict social dominance 2004 Nature 352 430 778-781 details   doi
Shettleworth, S.J. Cognitive science: rank inferred by reason 2004 Nature 365 430 732-733 details   doi
Fenton, B.; Ratcliffe, J. Animal behaviour: eavesdropping on bats 2004 Nature 500 429 612-613 details   doi
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