we've destroyed so much habitat. the birds must migrate through cities for green space where many perish from deadly windows and cats.sthe hawks hunt for food and takes the lame and weak strengthening the species. the domestic cat is a pleasure hunter. hilde and i just heard a scream and saw an orange house cat killing a woodpecker. the cat is well loved and fed. the cat is a pleasure hunter. the woodpecker eats tree-boring insects, saving trees. if your cat wants out and is a killer you have killed that bird.