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

Math isn't just a human thing. All kinds of animals, from African grey parrots to chimpanzees, are thought to have some kind of mathematical ability, but it can be hard to test. Now, a new study finds ...

Are crows smart? Learn more about the intelligence of crows and their unique relationship with humans.

The crow stared at the screen, as it had many times before. Six shapes appeared. Five were neat, balanced, regular; one was not. The crow tilted its head, paused, and tapped the odd one out. A chime ...