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  Author (up) Title Year Publication Serial Volume Pages Links
Pepperberg, I.M.; Brezinsky, M.V. Acquisition of a relative class concept by an African gray parrot (Psittacus erithacus): discriminations based on relative size 1991 Journal of Comparative Psychology 3610 105 286-294 details   doi
Pickens, C.L.; Holland, P.C. Conditioning and cognition 2004 Neuroscience and Biobehavioral Reviews 2803 28 651-661 details   doi
Poti, P. Chimpanzees' constructional praxis (Pan paniscus, P. troglodytes) 2005 Primates 2811 46 103-113 details   doi
Range, F.; Bugnyar, T.; Schlogl, C.; Kotrschal, K. Individual and sex differences in learning abilities of ravens 2006 Behavioural Processes 4146 73 100-106 details   doi
Ray, E.D.; Heyes, C.M. Do rats in a two-action test encode movement egocentrically or allocentrically? 2002 Animal Cognition 2588 5 245-252 details   doi
Regolin, L.; Marconato, F.; Vallortigara, G. Hemispheric differences in the recognition of partly occluded objects by newly hatched domestic chicks (Gallus gallus) 2004 Animal Cognition 2519 7 162-170 details   doi
Reid, P.J.; Shettleworth, S.J. Detection of cryptic prey: search image or search rate? 1992 Journal of experimental psychology. Animal behavior processes 381 18 273-286 details   openurl
Roper, K.L.; Zentall, T.R. Directed forgetting in animals 1993 Psychological bulletin 259 113 513-532 details   openurl
Salzen, E.A.; Cornell, J.M. Self-perception and species recognition in birds 1968 Behaviour 4154 30 44-65 details   openurl
Santos, L.R.; Miller, C.T.; Hauser, M.D. Representing tools: how two non-human primate species distinguish between the functionally relevant and irrelevant features of a tool 2003 Animal Cognition 2570 6 269-281 details   doi
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