What Is The Importance Of Birds Essay

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For birds, flight is the main source of locomotion. For 160 million years, birds have flown. Birds are able to fly due to a variety of special features. They have high metabolisms to supply their body with energy. They have lightweight bones as well. They have feathers, some of which are flight feathers that are long and strong with also help birds fly. They also have a bone called a furcula, in their chest, which is very important for being able to produce the strength and support needed to flap their wings. Birds also have very powerful muscles to power their wings, which means they can flap their wings so fast so that they can take off from the ground and move through the air, as well as gliding through the air. A bird can make its feathers close tightly together which, when gliding or flapping, forces the air to flow around their top and bottom wing surfaces to help them fly. It can also make its feathers open, which allows the air to pass straight through them, which allows the bird to fall. So, because a bird can set its wing feathers to be in any of a vast number of positions ...

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