An archaic British dialectal name for the goldeneye duck, Bucephala clangula, named for the loud rattling sound the bird's wings make in flight. The goldeneye has several folk names across Europe that reference this characteristic sound. Used historically in hunting and birdwatching traditions.
He had seen rattlewings on this stretch of river every winter since he was a boy.
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(archaic, UK, dialect) The goldeneye (duck).
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