chapter 7 Heat Transfer in Nature - Part 6

Why do birds fluff their feathers in winter?

Type: MCQ • Marks: 1
Why do birds fluff their feathers in winter?
Options
A. To look bigger
B. To trap air which is a poor conductor of heat
C. To generate friction heat
D. To lose body heat faster
Explanation
Trapped air between fluffed feathers acts as an insulator, reducing heat loss from the bird's body to the cold surroundings.
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