Leopard seals are earless seals. They have long bodies (10 to 11.5 feet) and elongated heads. Like most other seals, leopard seals are insulated from frigid waters by a thick layer of fat known as ...

Fur seals have sharp eyesight and keen hearing. They have small ears, unlike the earless or hair seals. Although they breathe air, seals are most at home in the water and may stay at sea for weeks ...