Dumb Stupid Birds
During breeding season, male standard-winged nightjars grow a single feather on each wing into a two-foot bare shaft with a flag on the end. In flight, the flags trail behind so precisely that one bird looks like three birds flying in formation. After about six weeks, the feathers shed, break off, or get bitten off by the bird itself. Then it goes back to looking like a dead leaf for ten months.
48 episodios
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