what are the special features in bird which help them in fighting
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Birds' bodies are streamlined to help overcome air-resistance. Also, the bird skeleton is hollow to reduce weight, and many unnecessary bones have been lost (such as the bony tail of the early bird Archaeopteryx), along with the toothed jaw of early birds, which has been replaced with a lightweight beak.
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pneumatic bones that air filled cavity in bones ....presence of single ovary and jaw without teeth are the characters which helps birds to fly....if it is helpful then plzz follow me..
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