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Meaning of American cliff swallow | Babel Free

Noun CEFR C1

Definitions

Petrochelidon pyrrhonota, a member of the passerine bird family Hirundinidae.

Equivalents

Examples

“Researchers in the US found that the wingspan of American cliff swallows, which took up the habit of colonising concrete highway bridges in the 1980s, had decreased by about two millimetres a decade since then.”

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

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