Bear characteristics: Large, powerful body; powerful limbs appear relatively short. Rear feet wide. Walks on sole and heel of rear foot and usually on digits of front foot. Five digits per limb with long, curved, nonretractile claws. Front claws longer than rear claws. Large head, small eyes. Small, round, erect, furry ears. Large canines; flat, grinding molars. Short tail. Arched back, high shoulder. Grizzly has most prominent shoulder hump and dished, slightly concave face (in profile). Can have very thick layer of fur.