The brown-bellied partridge is a bird of the genus Pteruthius in the Field Manual of Chinese Birds no. 1090 (scientific name: Pteruthius rufiventer).

It is found from Nepal to myanmar, Vietnam and Yunnan, Chinese mainland, and generally lives on the tips of trees and on the ground foraging. The type native of this species is Darjeeling, India.
The female has black patches in grey head; olive green on the back and waist; black wings, the outer part is the same color as the back; the upper tail feathers are chestnut; the central tail feathers are olive green, the outer tail feathers are mostly black, and the outer tail feathers are only partly olive green; the lower body is the same color as the male, but the thoracic macula is not very conspicuous.
Morphological male adults: black on the forehead, crown, neck, hind neck and side of the head; chestnut color on the back, waist and tail cover feathers; black wings with some secondary flight feathers at the end of the maroon; tail feathers black with a maroon end; grey chin, throat and upper chest with a golden yellow patch on each side of the thorax; wine brown for the rest of the lower body; slightly pale color for the abdomen and subtail coverts.
Range: Nepal to southwest China, western Myanmar, northern Vietnam.
Distribution: Global near-threatened (Collar et al., 1994). It is a rare resident bird in the mountainous evergreen forest at an altitude of 1500-2500 meters in western and northwestern Yunnan.
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