White-faced Hill-partridge
Encyclopedia
The Grey-breasted Partridge (Arborophila orientalis), also known as the White-faced Hill Partridge, or Horsfield's Hill Partridge, is a species of bird
in the Phasianidae
family. As here defined, it is a monotypic
species that is endemic to highland forests in eastern Java
, Indonesia
. Some authorities include the Malaysian
, Roll's
and Sumatran Partridges as subspecies
of the Grey-breasted Partridge. The Grey-breasted Partridge is threatened by habitat loss.
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 Phasianidae
Phasianidae
The Phasianidae is a family of birds which consists of the pheasants and partridges, including the junglefowl , Old World Quail, francolins, monals and peafowl. The family is a large one, and is occasionally broken up into two subfamilies, the Phasianinae, and the Perdicinae...
family. As here defined, it is a monotypic
Monotypic
In biology, a monotypic taxon is a taxonomic group with only one biological type. The term's usage differs slightly between botany and zoology. The term monotypic has a separate use in conservation biology, monotypic habitat, regarding species habitat conversion eliminating biodiversity and...
species that is endemic to highland forests in eastern Java
Java
Java is an island of Indonesia. With a population of 135 million , it is the world's most populous island, and one of the most densely populated regions in the world. It is home to 60% of Indonesia's population. The Indonesian capital city, Jakarta, is in west Java...
, Indonesia
Indonesia
Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...
. Some authorities include the Malaysian
Malaysian Partridge
The Malaysian Partridge, or Campbell's Partridge, is a species of bird in the Phasianidae family. This monotypic species is found in highland forests in Peninsular Malaysia. It is sometimes treated as a subspecies of the Grey-breasted Partridge....
, Roll's
Roll's Partridge
The Roll's Partridge is a species of bird in the Phasianidae family. It is a monotypic species found in highland forests in northern Sumatra, Indonesia. It is sometimes treated as a subspecies of the Grey-breasted Partridge....
and Sumatran Partridges as subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...
of the Grey-breasted Partridge. The Grey-breasted Partridge is threatened by habitat loss.