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

Crows are arguably among the smartest creatures on the planet, possessing some cognitive abilities that rival those of 5- to ...

A new study finds that carrion crows can recognize geometrical shapes, a skill previously seen only in humans.

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