Keywords: Hirundo nigrita 1894.jpg White-bibbed Swallow Hirondelle à bavette http //archive org/stream/monographofhirun02sha page/n117/mode/2up A monograph of the Hirundinidae creator Richard Bowdler Sharpe 1894 PD-old-100 Hirundo nigrita Richard Bowdler Sharpe A monograph of the Hirundinidae |