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• The penguin has a thick layer of stiff and densely packed feathers that blocks
the cold waters from reaching its skin while swimming.

• They have streamlined body, webbed feet and flippers that help to swim
smoothly in water.

• They have a special nasal passage that prevents the loss of heat during
exhalation.

• The Penguins often huddle together so that they can stay warm.

• The Penguins have webbed feet which allow them to swim.

3. Seal

 Seals have sensitive whiskers that can sense slight changes in water
current. They also help them to catch their food.