Crows make tools, play tricks on each other, and caw among kin in a dialect all their own.
These are just some of the signs presented in a recent book that point to an unexpected similarity between the wise birds and humans.
Crows make tools, play tricks on each other, and caw among kin in a dialect all their own.
These are just some of the signs presented in a recent book that point to an unexpected similarity between the wise birds and humans.