Emperor penguins live in the Antarctic region that remains covered with ice all the time. Give reasons.
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Penguins have feathers to keep them warm right? - Well partly right, feathers work on land, but in the water where penguins spend quite a bit of their lives, they're not so good. What really keeps penguins warm in the sea is a sub-cutaneous (under-the-skin) layer of fat. This fat layer also serves as a valuable energy store as we will see later.
External fur and feathers are the most efficient insulators on a weight for weight basis, but can be ruffled by wind and are much less useful when wet.
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