The polar bear, Plantigrada, is part of the subdivision Carnivora, which includes other carnivorous animals, like the bear and raccoon, that walk with the heel up on the ground. a, femur, or thigh; b, tibia, or leg; c, tarsus and metatarsus, or foot; d, calx, or heel; e, planta, or sole; f, digits, or toes.

Polar Bear Leg

The polar bear, Plantigrada, is part of the subdivision Carnivora, which includes other carnivorous…

The anatomy of a polar bear's leg.  a, femur (thigh); b, tibia (leg); c, tarsus and metatarsus (foot); d, calx (heel); e, planta (sole); f, digits (toes).

Polar Bear Leg

The anatomy of a polar bear's leg. a, femur (thigh); b, tibia (leg); c, tarsus and metatarsus (foot);…