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In page Caspian snowcock:

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This snowcock ranges from 56 to 63 cm (22 to 25 in) in length, 95 to 105 cm (37 to 41 in) in wingspan and 1.8 to 2.9 kg (4.0 to 6.4 lb) in weight.[1] Its plumage is patterned with grey, brown, white and black, but this snowcock looks pale gray from any distance. The breast is pale gray, the throat and a white patch on the side of the neck are white, and the nape is dark gray.