成鳥 © Jonathan Guillot
幼鳥 © Christoph Moning
成鳥 © Tim Holland
成鳥 © Vladan Vuckovic
+ 3
© David Wheeler
© Marc Gálvez

Yellow-billed Chough Pyrrhocorax graculus

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辨識

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Conspicuous, social, and noisy inhabitant of high mountains. Feeds mostly on insects in summer and berries, seeds, and food waste in winter, scavenging around ski resorts, towns, and monasteries, where it can be very tame. Told from juvenile Red-billed Chough by its shorter, bright yellow bill and shorter wing fingers. Wings do not extend to the tail tip when perched. Gives a strange, squeaky trill very unlike calls of crows and ravens, as well as a high-pitched descending squeak.

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