Kaw

Kaw is a movie starring Sean Patrick Flanery, Stephen McHattie, and Kristin Booth. A small town is attack by ravens and doesn't know why the ravens are working together.
On the last working day of Sheriff Wayne, his small town is attacked by blood thirsty ravens that eat human flesh. Meanwhile his wife Cynthia visits a farm where a Mennonite family lives to say farewell to her friend Gretchen and discloses a dark secret about the origin of the fierce ravens.