单词 | red-footed falcon |
释义 | red-footed falconnoun Either of two small, migratory falcons, Falco vespertinus of eastern Europe and central Asia and F. amurensis of eastern Asia, the males of which are mainly dark slate-grey with red legs and feet. OriginMid 19th century; earliest use found in Prideaux John Selby (1788–1867), naturalist. |
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