Image: Petrochelidon pyrrhonota 1894
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Description: « Petrochelidon pyrrhonota » = Petrochelidon pyrrhonota (American Cliff Swallow)
Title: Petrochelidon pyrrhonota 1894
Credit: A monograph of the Hirundinidae
Author: Richard Bowdler Sharpe
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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