Complex cognition and behavioural innovation in New Caledonian crows.

@article{Taylor2010ComplexCA,
  title={Complex cognition and behavioural innovation in New Caledonian crows.},
  author={Alex H Taylor and Douglas Elliffe and Gavin Raymond Hunt and Russell D Gray},
  journal={Proceedings. Biological sciences},
  year={2010},
  volume={277 1694},
  pages={
          2637-43
        }
}
Apes, corvids and parrots all show high rates of behavioural innovation in the wild. However, it is unclear whether this innovative behaviour is underpinned by cognition more complex than simple learning mechanisms. To investigate this question we presented New Caledonian crows with a novel three-stage metatool problem. The task involved three distinct stages: (i) obtaining a short stick by pulling up a string, (ii) using the short stick as a metatool to extract a long stick from a toolbox, and… CONTINUE READING
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