''Oreolalax chuanbeiensis'' (Sichuan lazy toad or Chuanbei toothed toad) is a species of

amphibian Amphibians are ectothermic, anamniote, anamniotic, tetrapod, four-limbed vertebrate animals that constitute the class (biology), class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all Tetrapod, tetrapods, but excl ...

in the family

Megophryidae Megophryidae, commonly known as goose frogs, is a large family of frogs native to the warm southeast of Asia, from the Himalayan foothills eastwards, south to Indonesia and the Greater Sunda Islands in Maritime Southeast Asia, and extending to t ...

. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to northern

Sichuan Sichuan is a province in Southwestern China, occupying the Sichuan Basin and Tibetan Plateau—between the Jinsha River to the west, the Daba Mountains to the north, and the Yunnan–Guizhou Plateau to the south. Its capital city is Cheng ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

where it is found in

Pingwu County Pingwu County () is a county located in the north of Sichuan province, China, bordering Gansu province to the north. It is the northernmost county-level division of the prefecture-level city of Mianyang. It has an area of and a population of 180 ...

and

Mao County Mao County or Maoxian ( zh, s=茂县; ; Qiangic languages, Qiang: Shgvunyi) is a counties of China, county in Ngawa Tibetan and Qiang Autonomous Prefecture, Ngawa Prefecture, Sichuan, Sichuan Province, China. It has an area of 3,903 and a popul ...

. Its natural

habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...

s are temperate

forest A forest is an ecosystem characterized by a dense ecological community, community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, ...

s and

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

s. It is threatened by

habitat loss Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease ...

. Male ''Oreolalax chuanbeiensis'' grow to about in snout-vent length and females to about .

Tadpole A tadpole or polliwog (also spelled pollywog) is the Larva, larval stage in the biological life cycle of an amphibian. Most tadpoles are fully Aquatic animal, aquatic, though some species of amphibians have tadpoles that are terrestrial animal, ...

s are in length.

References

chuanbeiensis Endemic fauna of Sichuan Amphibians of China Taxonomy articles created by Polbot Amphibians described in 1983 Endangered Fauna of China {{Megophryidae-stub