The mentality of crows: convergent evolution of intelligence in corvids and apes.

by: NJ Emery, NS Clayton

Science, Vol. 306, No. 5703. (10 December 2004), pp. 1903-1907.

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Abstract

Discussions of the evolution of intelligence have focused on monkeys and apes because of their close evolutionary relationship to humans. Other large-brained social animals, such as corvids, also understand their physical and social worlds. Here we review recent studies of tool manufacture, mental time travel, and social cognition in corvids, and suggest that complex cognition depends on a "tool kit" consisting of causal reasoning, flexibility, imagination, and prospection. Because corvids and apes share these cognitive tools, we argue that complex cognitive abilities evolved multiple times in distantly related species with vastly different brain structures in order to solve similar socioecological problems.

@article{citeulike:169609, abstract = {Discussions of the evolution of intelligence have focused on monkeys and apes because of their close evolutionary relationship to humans. Other large-brained social animals, such as corvids, also understand their physical and social worlds. Here we review recent studies of tool manufacture, mental time travel, and social cognition in corvids, and suggest that complex cognition depends on a "tool kit" consisting of causal reasoning, flexibility, imagination, and prospection. Because corvids and apes share these cognitive tools, we argue that complex cognitive abilities evolved multiple times in distantly related species with vastly different brain structures in order to solve similar socioecological problems.}, address = {Sub-Department of Animal Behaviour, University of Cambridge, CB3 8AA, UK. nje23@cam.ac.uk}, author = {Emery, N. J. and Clayton, N. S. }, citeulike-article-id = {169609}, doi = {10.1126/science.1098410}, issn = {1095-9203}, journal = {Science}, keywords = {comparative}, month = {December}, number = {5703}, pages = {1903--1907}, posted-at = {2005-07-01 21:05:21}, priority = {5}, title = {The mentality of crows: convergent evolution of intelligence in corvids and apes.}, url = {http://dx.doi.org/10.1126/science.1098410}, volume = {306}, year = {2004} }

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TY - JOUR ID - citeulike:169609 L3 - citeulike-article-id:169609 TI - The mentality of crows: convergent evolution of intelligence in corvids and apes. JF - Science VL - 306 IS - 5703 SP - 1903 EP - 1907 AD - Sub-Department of Animal Behaviour, University of Cambridge, CB3 8AA, UK. nje23@cam.ac.uk SN - 1095-9203 N2 - Discussions of the evolution of intelligence have focused on monkeys and apes because of their close evolutionary relationship to humans. Other large-brained social animals, such as corvids, also understand their physical and social worlds. Here we review recent studies of tool manufacture, mental time travel, and social cognition in corvids, and suggest that complex cognition depends on a "tool kit" consisting of causal reasoning, flexibility, imagination, and prospection. Because corvids and apes share these cognitive tools, we argue that complex cognitive abilities evolved multiple times in distantly related species with vastly different brain structures in order to solve similar socioecological problems. KW - comparative AU - Emery, NJ AU - Clayton, NS PY - 2004/12/10/ UR - http://dx.doi.org/10.1126/science.1098410 ER -

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