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Summary
DescriptionBirds in cooperative pulling experiment - sketch.png
English: Interpretation of various cooperative pulling experiments with birds: 1) Seed, Amanda M.; Clayton, Nicola S.; Emery, Nathan J. (2008). "Cooperative problem solving in rooks (Corvus frugilegus)". Proceedings of the Royal Society of London B: Biological Sciences. 275 (1641): 1421–1429 2) Massen, Jorg J. M.; Ritter, Caroline; Bugnyar, Thomas (2015). "Tolerance and reward equity predict cooperation in ravens (Corvus corax)". Scientific Reports. 5. doi:10.1038/srep15021 3) Heaney, Megan; Gray, Russell D.; Taylor, Alex H. (2017). "Keas perform similarly to chimpanzees and elephants when solving collaborative tasks". PLOS One. 12 (2): e0169799. doi:10.1371/journal.pone.0169799
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