A giant panda at Chengdu Research Base of Giant Panda Breeding in China. (Natural World - BBC)

A giant panda at Chengdu Research Base of Giant Panda Breeding in China. (Natural World - BBC)

Giant panda at San Diego Zoo (Travel for Kids)

Giant panda at San Diego Zoo (Travel for Kids)

A polar bear eating from a whale carcass. (The Polar Bear Family & Me - BBC)

A polar bear eating from a whale carcass. (The Polar Bear Family & Me - BBC)

A polar bear and her cub investigate the remains of a whale. (To the Arctic)

A polar bear and her cub investigate the remains of a whale. (To the Arctic)

A giant panda at Chengdu Research Base of Giant Panda Breeding in China. (Natural World - BBC)

A giant panda at Chengdu Research Base of Giant Panda Breeding in China. (Natural World - BBC)

A few weeks old giant panda. (Natural World - BBC)

A few weeks old giant panda. (Natural World - BBC)