sea lions and fur seals), and Phocidae (the earless, or true seals). Seals range in size from the 1 m (3 ft 3 in) and 45 kg (99 lb) Baikal seal to the 5 m (16 ft) and 3,200 kg (7,100 lb ...
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 ...