feather are an adaptive feature of bird how are they helpful to them
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Control Body Temperature
To keep body temperature steady, birds can either expose their heads and feet to the air or water to cool down, or tuck them into their feathers to help keep warm.
Help Keep Warm
Downy feathers as well as semiplume feathers are able to trap pockets of air close to the bird's body to help keep it warm. How much body heat they keep can be adjusted by arranging their feathers to trap more or less air. If you see birds fluffing their feathers in the cold, that is their way of adding extra air to trap body heat and stay warmer.
Flying
Flight feathers are very strong and stiff feathers that are found on the wings of birds.
To keep body temperature steady, birds can either expose their heads and feet to the air or water to cool down, or tuck them into their feathers to help keep warm.
Help Keep Warm
Downy feathers as well as semiplume feathers are able to trap pockets of air close to the bird's body to help keep it warm. How much body heat they keep can be adjusted by arranging their feathers to trap more or less air. If you see birds fluffing their feathers in the cold, that is their way of adding extra air to trap body heat and stay warmer.
Flying
Flight feathers are very strong and stiff feathers that are found on the wings of birds.
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