Be kind to crows - because they will remember.

Tired of ads? Subscribers enjoy a distraction-free reading experience. Click here to subscribe today or Login. SEATTLE (AP) — For nearly every step of his almost 12-mile walk, Darryl Dyer has company.

Besides being dark and mysterious, crows are extremely intelligent birds. So smart, in fact, that it might be a little bit scary. Even though their brains are the size of a human thumb, their ...