Question

What makes the body of a penguin waterproof?​

Answer 1

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penguins have a layer of fat under their skin called "blubber".

Penguins rub oil from a gland onto their feathers to help make them waterproof and windproof.

Even so, penguins often need help to stay warm.

Answer 2

Answer:

Just like whales, penguins have a layer of fat under their skin called "blubber". ... Penguins rub oil from a gland onto their feathers to help make them waterproof and windproof. Even so, penguins often need help to stay warm.