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  Author Title Year (up) Publication Serial Volume Pages Links
Bugnyar, T.; Heinrich, B. Pilfering ravens, Corvus corax, adjust their behaviour to social context and identity of competitors 2006 Animal Cognition 2449 9 369-376 details   doi
Gajdon, G.K.; Fijn, N.; Huber, L. Limited spread of innovation in a wild parrot, the kea (Nestor notabilis) 2006 Animal Cognition 2472 9 173-181 details   doi
Van Schaik, C. Why are some animals so smart? 2006 Scientific American 2830 294 64-71 details   openurl
Sundaresan, S.R.; Fischhoff, I.R.; Dushoff, J.; Rubenstein, D.I. Network metrics reveal differences in social organization between two fission-fusion species, Grevy's zebra and onager 2007 Oecologia 1863 151 140-149 details   doi
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
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