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It uses its curved wings. The whole of a bird's body structure makes it very light.

It also loses its weight by pooing almost everytime. So it will be lighter and is able to fly more easily.

Some birds' body structures are already too big and they cannot fly.

Well the reason birds CAN fly is because they have hollow bones. There hollow bones makes them lighter. They also have a KEEL bone which is used to keep the bird upright so they don't fall over during flight. and pooing doesnt make any difference with the birds weight!!

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7y ago

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