单词	black-bellied whistling-duck
释义	black-bellied whistling-duck noun variants or black-bellied whistling duck or less commonly black-bellied tree duck : a chiefly nocturnal whistling-duck (Dendrocygna autumnalis) of the southwestern U.S. that has a red bill and pinkish legs and typically perches in trees … black-bellied whistling-ducks dine at night on grain, seeds, insects and mollusks, and shoots found in shallow water. Grant Jefferies, Bradenton (Florida) Herald, 21 Feb. 2011 Word History First Known Use 1981, in the meaning defined above
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