Question

why do birds puuf their chest in winter season​

Answer 1

Answer:

Birds puff up their feathers in winter because by doing so they trap a large amount of air in their body which in turn acts as an insulator and does not allow the heat from their bodies to flow out.

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Answer 2

Answer:

Birds puff up their feathers in winter because by doing so they trap a large amount of air in their body which in turn acts as an insulator and does not allow the heat from their bodies to flow out.

Explanation:

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