Cliff Swallow (noun) Definition, Meaning & Examples

noun
  1. any of several North American birds of the genus Hirundo, especially H. pyrrhonota, that live colonially and build bottle-shaped mud nests on cliffs and walls.
noun
  1. an American swallow, Petrochelidon pyrrhonota, that has a square-tipped tail and builds nests of mud on cliffs, walls, etc
Cliff Swallow (noun) Definition, Meaning & Examples

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