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Heaney_Keas_PloSOne_2017.pdf (Publisher version), 2MB
Heaney, M., Gray, R. D., & Taylor, A. H. (2017). Keas perform similarly to chimpanzees and elephants when solving collaborative tasks. PLoS One, 12(2): e0169799. doi:10.1371/journal.pone.0169799.