the swan Cygnus melanocorypha, which breeds in southern South America and is white with a black head and neck and a red knob at the base of the bill.
| 单词 | θ39489 |
| 释义 | the world > animals > birds > freshwater birds > order Anseriformes (geese, etc.) > subfamily Cyginae (swans) > [noun] > member of genus Cygnus (miscellaneous) (23) black-necked swan1785 the swan Cygnus melanocorypha, which breeds in southern South America and is white with a black head and neck and a red knob at the base of the bill. Bewick's swan1830 A large web-footed swimming bird of the genus Cygnus or subfamily Cygninæ of the family Anatidæ, characterized by a long and gracefully curved neck… Subcategories:— cygnus olor (common swan) (15) — cygnus cygnus (whooper) (6) |
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