I saw a video of a bird flying in the air but its wings were not flapping and it seemed to be just hovering. How does it maintain its height in the air?
Tagged this as physics as I believe it has something to do with the air movement.
Soaring. Many large birds such as eagles and storks have long, broad wings, with a big surface area. This helps them catch rising currents of warm air, called thermals, which lift the bird up without any need for flapping.
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