Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Sep 10, 2008
Professor Russell Gray discusses recent research on New Caledonian crows, their capacity to make and wield tools, and experimental results which suggest that their understanding of tool use should not be overestimated.
Holzhaider, J.C., Hunt, G.R., Campbell, V.M. and Gray, R.D. 2008. Do wild New Caledonian crows (Corvus moneduloides) attend to the functional properties of their tools? Animal Cognition, 11:243-254.