| 单词 | american black swift |
| 释义 | > as lemmasAmerican black swift black swift n. (usually with distinguishing word) any of various swifts with black plumage; esp. (more fully American black swift) Cypseloides niger, of North and Central America. ΚΠ 1817 T. Forster Synoptical Catal. Brit. Birds 55 Apus cypselus... Black swift. 1868 Ibis 4 152 Cypselus barbatus... South-African Black Swift. 1901 Auk 18 394 On reaching the locality, I noticed a pair of Black Swifts flying about over the cliffs. 1962 C. D. Sherman tr. J. Dorst Migrations of Birds iii. 69 The spine-tailed swift..and the American black swift..also perform unusual flights, quite distinct from migrations. 2008 P. Briggs Ukhahlamba-Drakensberg Park 73 The outsized Alpine swift, which nests colonially on cliffs, often alongside the African black swift. < as lemmas |
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