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.

PORTLAND, Ore. (KPTV) - Portland is facing a rising tide of crows. While birds have their charm, their droppings are a dirty dilemma. Now, a special team is swooping in and taking flight with a clever ...