Question

why bird puff up their feather in winter​

Answer 1

Answer:

because new feathers had to grow in summers..

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Answer 2

Answer:

Birds puff up their feathers in winter so that they can trap more air, is the answer. Additional Information: Birds feathers are designed to keep them warm and waterproof during the winters. The feathers trap air to keep them warm. ... Bigger the feather the more the insulation and hence the more the warmth.

Explanation:

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