成鳥 © Christoph Moning eBird S11988288 Macaulay Library ML 66192451
成鳥 © António Gonçalves
幼鳥 © Hendrik Swanepoel
成鳥和幼鳥 © Christoph Moning
成鳥 © Pedro Fernandes

Red-knobbed Coot Fulica cristata

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辨識

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Mostly sooty gray waterbird with a white beak and frontal shield. Breeding adults have two small reddish horns, but at other times difficult to separate from Eurasian Coot. Feathering on the side of the upper mandible is rounded rather than pointed. The bill is blueish rather than pinkish and in flight it lacks the white edge on the secondaries seen on Eurasian Coot. Found in open freshwater including lakes, rivers, reservoirs, and lagoons.

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