The grey-breasted partridge (''Arborophila orientalis''), also known as the white-faced hill partridge, or Horsfield's hill partridge, is a

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

species in the family

Phasianidae The Phasianidae are a family (biology), family of heavy, ground-living birds, which includes pheasants, partridges, junglefowl, chickens, Turkey bird, turkeys, Old World quail, and peafowl. The family includes many of the most popular Game (hunti ...

. It is

endemic Endemism is the state of a species being found 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 found elsew ...

highland forest Highland Forest is a county park in Fabius, New York. It is part of the Onondaga County Parks system. Proclaimed the "Adirondacks of Central New York," Highland Forest is the oldest county park in Onondaga County. The park has more than of tra ...

in the eastern salient of

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

. Sightings have been mostly reported from frequently visited nature preserves such as

Kawah Ijen image:Kawah Ijen.JPG, Map of Ijen Crater, where sulfur is mined The Ijen volcano complex is a group of Stratovolcano, composite volcanoes located on the border between Banyuwangi Regency and Bondowoso Regency of East Java, Indonesia. It is k ...

in Banyuwangi. Measuring , this species is a stocky, short-legged bird. Its mostly grey plumage is barred on the lower back and tail. It has a black crown and nape, and conspicuous white forehead, cheeks and throat. Bare skin around the eyes is red. The bill is black and the legs are red. Some authorities include the Malayan, Roll's and

Sumatran partridge The Sumatran partridge, or Sumatran hill partridge, (''Arborophila sumatrana'') is a bird species in the family Phasianidae. It is found in highland forest in central Sumatra, Indonesia. It is sometimes treated as a subspecies In biologica ...

s as

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of the grey-breasted partridge. The grey-breasted partridge is threatened by

habitat loss Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

References

External links

* * * *
Image observations of Gray-breasted Partridge
on

Inaturalist iNaturalist is a social network of naturalists, citizen scientists, and biologists built on the concept of mapping and sharing observations of biodiversity across the globe. iNaturalist may be accessed via its website or from its mobile applic ...

grey-breasted partridge The grey-breasted partridge (''Arborophila orientalis''), also known as the white-faced hill partridge, or Horsfield's hill partridge, is a bird species in the family Phasianidae. It is endemic to highland forest in the eastern salient of Java, ...

Endemic birds of Java

Taxonomy articles created by Polbot {{Galliformes-stub