These birds communicate by fluttering their feathers—and they have different accents – Phys.org

Birds tweet, squawk, chirp, hoot, cluck, and screech to communicate with each other. Some birds have found another way to talk, though: they make sounds by fluttering their feathers or smacking their wings together really fast. Scientists just discovered another species that makes sounds with its feathers, a bird from the American tropics called the Fork-tailed Flycatcher. And by analyzing recordings of the birds in flight, the researchers found that subspecies with different migration patterns …

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