Forget “caw-caw” researchers in Spain uncovered a hidden world of crow chatter. What they found could rewrite how we see ...

“the birds can’t cut the leaves on the diagonal to make that tapered point. So they cut out steps, beginning at the narrow end.” When finished, the crow holds the tool in its beak and flies ...

Carrion crows and humans line up patiently ... because they can't remember which is which, and birds that attack their own reflections. The Hawaiian goose is as innocent of danger as a baby ...

If Kate St. John, author of the local bird blog Outside My Window, and Claire Staples of Squirrel Hill didn’t find a good vantage point to count the crows at dusk at Duquesne University ...