Science And Space

Birds that rapidly moult feathers are more likely to become flightless

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Flightless steamer geese strolling within the Falkland Islands

Visions from Earth/Alamy

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From ostriches to kakapo parrots to flightless geese, birds have misplaced the power to fly many instances. However some teams of birds find yourself grounded extra usually than others, and now it appears that evidently those who moult feathers from each wings directly could also be predisposed to evolving flightlessness.

Ryan Terrill at Occidental School in Los Angeles, California, was fascinated by moulting, the method by which birds shed and change outdated feathers. As a graduate pupil at Louisiana State College in Baton Rouge, he was enthusiastic about flightless …

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