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The chestnut-breasted partridge (''Arborophila mandellii'') is a species of partridge endemic to the eastern Himalayas north of the Brahmaputra, and is known from Bhutan, West Bengal (Darjeeling only), Sikkim and Arunachal Pradesh, north-east India, Nepal Himalaya and south-east Tibet. It is a distinctive partridge with chestnut breast-band and grey belly. It is distinguished from the similar rufous-throated partridge ''A. rufogularis'' by more rufescent crown and head-sides, white gorget and entirely chestnut upper breast. The scientific name commemorates the Italian naturalist Louis Mandelli. This bird has been classified as Vulnerable, with an estimated population of less than 10,000. It is threatened by forest degradation, which is fragmenting the population, and by hunting. It is known from at least three protected areas, including Singalila National Park (West Bengal). In 2015, the first photograph of this species in the wild was taken in Arunachal. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Chestnut-breasted partridge」の詳細全文を読む スポンサード リンク
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