What types of flight are typical for birds?

In birds, two types of flight are distinguished: flapping and soaring. Flapping flight is accompanied by a rhythmic change in the raising and lowering of the wings. The frequency of the flaps of the wings depends on the size of the birds: they are frequent in small birds, more rare in large ones. Many large birds with outstretched, motionless, wide or long wings are able to soar high, relying on them on the rising currents of warm air coming from the earth or water heated by the sun (storks, condors, albatrosses, pelicans). The energy expenditure of the bird during soaring flight is much less than during flapping.

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