Crows remembered the face of a person they considered a threat—even across generations. Researchers caught, tagged, and released crows to see if they can recognize the face of a person who’s a threat.

Squares, triangles, circles - these geometric shapes appear everywhere in art and architecture going back all through human history. Geometric regularity seems to be something that the human brain is ...

A crow in Frankfurt forms an extraordinary bond with a hospital employee who once fed it at home. The bird recognized him, followed him to work, and now visits his window daily for nuts. Ornithologist ...

Researchers caught, tagged, and released crows to see if they can recognize the face of a person who’s a threat. They discovered the crows were warning each other that the person in the mask was ...

A new study shows that like humans, crows can recognize geometric regularity, making them the first nonhuman animal known to have this ability. Squares, triangles, circles - these geometric shapes ...