Fill in: feathers, claws, beaks, wings, teeth, horns. 1) Birds use their pointy ... to dig worms out of the ground. 2) Thunderbirds had long ... over their bodies. 3) Some animals have got ... on their heads. 4) Birds use their ... to fly. 5) Cats use their sharp ... to catch other animals. 6) Dogs use their ... to bite and chew food.