Big brains, enhanced cognition, and response of birds to novel environments.

@article{Sol2005BigBE,
  title={Big brains, enhanced cognition, and response of birds to novel environments.},
  author={Daniel Sol and Richard P Duncan and Tim M Blackburn and Phillip Cassey and Louis Philippe Lefebvre},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2005},
  volume={102 15},
  pages={
          5460-5
        }
}
The widely held hypothesis that enlarged brains have evolved as an adaptation to cope with novel or altered environmental conditions lacks firm empirical support. Here, we test this hypothesis for a major animal group (birds) by examining whether large-brained species show higher survival than small-brained species when introduced to nonnative locations. Using a global database documenting the outcome of >600 introduction events, we confirm that avian species with larger brains, relative to… CONTINUE READING

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