How do birds support their bodies?

Birds are able to maintain their bodies in the air due to the specific characteristics of their bodies. Wings play an important role. They can be of different lengths, shapes, depending on the type of bird. In flight, birds can be due to the continuous flapping of their wings, like sparrows, or they can glide in the air, like storks, gulls and swallows. Their body has a specific shape and a certain proportion in weight and wing position. It was on the basis of bird watching that the first flying machines were constructed.

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