They have bushy tails and large paws with partially retractile claws. These toes were clawed but the claws were smaller than the hand claws. They all have long bodies, short legs with retractile claws, and usually long tails. Water monitors defend themselves using their tails, claws, and jaws. The toes have sharp, curved claws. The scales of birds are composed of keratin, like beaks, claws, and spurs. The toes are armed with sharp, very slightly arched claws. The scales of birds are composed of the same keratin as beaks, claws, and spurs. It then pounces, grabbing its prey with its sharp, retractable claws. Fishers have five toes on each foot, with unsheathed, retractable claws. Badgers groom each other very thoroughly with their claws and teeth. She fights with her razor claws. Venom attacks using his claws and tendrils. She also possesses retractable claws and grappling hooks on her wrists. Thompson also studied spirals occurring in horns, teeth, claws and plants.