Crows can recognize geometric patterns, suggesting that humans aren't unique in understanding shape structure.

Squares, triangles, circles - these geometric shapes appear everywhere in art and ... you know, that's pretty cool. And then the question is, where does that even come from? GREENFIELDBOYCE ...

Crows are able to look at a handful of four-sided shapes and correctly distinguish those that exhibit geometric regularity ...

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