What are walruses and seals?

What are walruses and seals?
The walrus is the only species in its family, and lives in the cold northern waters. It has two long tusks that protrude from its upper jaw. The walrus uses them to punch breathing holes in the sea ice.

Seals are mammals living in the very cold parts of the Northern hemisphere. They have thick layers of fat (called blubber) or fur to stop their bodies from getting chilled. Seals can swim and dive very well indeed. When they are ashore, they waddle.

There are three main types of seal – the eared seal, ear-less seal and walruses. The eared seals, as their name suggests have ear-flaps. Sea lions, the largest eared seals of the North Pacific and Fur seals fall under this type. The ear-less seals lack ear-flaps and have short, weak forelimbs. The smallest ear-less seal lives in the Arctic and is called the Ringed seal, measuring only 1.4 metres. The largest, which is also the largest seal of any kind is the Southern Elephant seal, weighing three to four tons. Although seals spend most of their lives in the seas, they come ashore to give birth. Then they stay in colonies called rookeries, bringing up the young ones until are old enough to leave.

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