The Rusty-breasted Tit or Père David's Tit (Poecile davidi) is a species of bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 in the tit family Paridae. It is endemic to west-central China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 in southern Gansu

Gansu

' is a province located in the northwest of the People's Republic of China.It lies between the Tibetan and Huangtu plateaus, and borders Mongolia, Inner Mongolia, and Ningxia to the north, Xinjiang and Qinghai to the west, Sichuan to the south, and Shaanxi to the east...

, western Hubei

Hubei

' Hupeh) is a province in Central China. The name of the province means "north of the lake", referring to its position north of Lake Dongting...

, southern Shaanxi

Shaanxi

' is a province in the central part of Mainland China, and it includes portions of the Loess Plateau on the middle reaches of the Yellow River in addition to the Qinling Mountains across the southern part of this province...

, and Sichuan

Sichuan

' , known formerly in the West by its postal map spellings of Szechwan or Szechuan is a province in Southwest China with its capital in Chengdu...

.

It is 12 – long with a weight of 10 –, and is similar to the related Sombre Tit

Sombre Tit

The Sombre Tit is a member of the tit family found in southeast Europe and southwest Asia.Though it is traditionally placed in Parus, mtDNA cytochrome b sequence data suggests that that genus should be split, as already adopted by the American Ornithologists' Union, for example...

 (P. lugubris) in appearance, with a black head with white cheeks, dark grey-brown back, wings and tail, and rusty brown underparts.

Its natural breeding habitat

Habitat

* Habitat , a place where a species lives and grows*Human habitat, a place where humans live, work or play** Space habitat, a space station intended as a permanent settlement...

 is subalpine forest

Forest

A forest, also referred to as a wood or the woods, is an area with a high density of trees. As with cities, depending where you are in the world, what is considered a forest may vary significantly in size and have various classification according to how and what of the forest is composed...

s at 2,135–3,400 m altitude, mostly resident but higher altitude birds descending a little in winter to below 3050 metres (10,006.6 ft).