Today the young are 22 days old. Just past half the nesttime. A young common swift stays for about 42 days on the nest to leave and never return. They even stay in the air for about two years. At that time the are old enough to mate and create a nest of their own. Once they left their nest, they probably stay around the colony for a few days, but sleep in the air at 1,5 km high. And then leave for Africa. No noise of cars and airplanes, but the sound of buffalos and elephants will surround them the rest of the year. Amazing birds!
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