Taylor_Spontaneous_CurrBiol_2007.pdf (Publisher version), 464KB
Taylor, A. H., Hunt, G. R., Holzhaider, J. C., & Gray, R. D. (2007). Spontaneous metatool use by New Caledonian crows. Current Biology, 17(17), 1504-1507. doi:10.1016/j.cub.2007.07.057.