New Caledonian Crows Behave Optimistically after Using Tools

August 1, 2019
Crow using stick as tool to get treat courtesy of Cody McCoy

Why do clever New Caledonian crows use tools? PhD student Cody McCoy's latest study in Current Biology suggest that it might be partially for the same reasons we play chess and solve crosswords: it's fun! To improve the emotional states of captive animals, we should give them complex, species-specific enrichment. The Harvard Gazette.

Image of crow using stick as took courtesy of Cody McCoy
See also: Graduate News, 2019