Crows keep special tools extra safe

Journal Reference: Barbara C Klump, James JH St Clair, Christian Rutz. New Caledonian crows keep ‘valuable’ hooked tools safer than basic non-hooked tools. eLife, 2021; 10 DOI: 10.7554/eLife.64829 New Caledonian crows are renowned for using different types of tools for extracting prey from tree holes and other hiding places. While they firmly hold their tools … Read more

Travors