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Andean guan
The Andean guan (''Penelope montagnii'') is a gamefowl species of the family Cracidae, in which it belongs to the guan subfamily Penelopinae. This bird occurs in the highlands (5,000 ft/1,500 m ASL and higher) of the Andes, from Venezuela and Colombia through Ecuador and Peru south to Bolivia and perhaps northwesternmost Argentina.〔BLI (2008)〕
==Description==
These are medium-sized birds, measuring about in length and weighing about 500-840 grams (1.1-1.8 lbs).〔http://www.zootierliste.de/en/?klasse=2&ordnung=209&familie=20902&art=21103461〕 They are long-bodied with thin necks and small heads, and similar in shape to turkeys but more slender and elegant. The plumage is overall brown with whitish edging to the feathers of the head, neck and chest. It has a red dewlap and reddish legs.
In the Conover Collection of the Field Museum, there is a hypopigmented female specimen of the subspecies ''atrogularis'' taken December 20, 1929 at Pucará (west Ecuador). The forehead, chin and upper throat retain the normal color and the hind part of the body is faintly barred pinkish-buff; otherwise the plumage is white. The iris color was not recorded, making it tough to determine whether this is a case of albinism or leucism. Leucism is more frequently seen in birds – particularly in such pronounced cases –, and hypopigmented cracids are rare in the first place. This particular bird has abraded feathers; prior to its death it seems to have been held in a cage for some time, presumably to show off such a rare specimen.〔Blake (1955), Terres & NAS (1980)〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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