The red-billed partridge (''Arborophila rubrirostris'') 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 ...

to the Basiran

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 ...

Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...

, Indonesia. It is the only member of the genus ''

Arborophila ''Arborophila'' is a bird genus in the family Phasianidae. The genus has the second most members within the Galliformes after ''Pternistis'', although ''Arborophila'' species vary very little in bodily proportions with different species varying ...

'' where the bill is completely red (others have either a yellow-tipped red bill or a black bill).

References

red-billed partridge The red-billed partridge (''Arborophila rubrirostris'') is a bird species in the family Phasianidae. It is endemic to the Basiran highland forest in Sumatra, Indonesia. It is the only member of the genus ''Arborophila ''Arborophila'' is ...

Birds of Sumatra

Taxonomy articles created by Polbot {{Galliformes-stub