Anyone who has spent time in a park or backyard has probably noticed how noisy crows can get when an owl is nearby. The calls get louder, more birds join in, and before long, the owl is surrounded and ...

Q. Why don't hawks fight back when crows mob them? They seem almost indifferent to the attacks, like one I saw yesterday. He just sat at the top of the tree as the crows dove at him. He didn’t budge.