Are crows really that clever?

By Mélissa Berthet, Docteur en biologie spécialisée en comportement animal, University of Zurich
Sonya Kaiser, Dual Masters in Brain and Mind Sciences, Sorbonne Université

It’s no secret corvids are endowed with remarkable cognitive abilities.

Internet is awash with videos of crows imitating voices or solving complex brainteasers. But are these birds as intelligent as they are made out to be?

The nutcracker puzzle

One of the most quoted studies to back up the thesis of a superior intelligence in corvids is that of crows using cars as nutcrackers. In 1978, researchers in…

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