Arborophila rubrirostris
The Red-billed Partridge (*Arborophila rubrirostris*) is a strikingly colored, ground-dwelling gamebird endemic to the montane rainforests of Sumatra, Indonesia. Measuring approximately 28 cm in length, its most distinctive features are its bright coral-red bill and legs, complemented by conspicuous red orbital skin. Its plumage includes a dark brown to black crown and nape, framed by a prominent white supercilium and a white sub-ocular stripe. The throat is white, transitioning to a grey bre...
This species primarily inhabits dense, humid montane and submontane rainforests, often found in thick undergrowth and bamboo thickets. It thrives at elevations typically ranging from 700 to 2,400 meters above sea level.
Its diet primarily consists of various insects, including ants, termites, and beetles, supplemented by other small invertebrates, seeds, and fallen berries found in the forest understory.
The Red-billed Partridge is an exceptionally shy and secretive bird, spending most of its time foraging on the forest floor, often detected more by sound than sight. It employs a typical partridge foraging strategy, scratching vigorously through leaf litter and damp soil with its strong legs and ...
The Red-billed Partridge is strictly endemic to the island of Sumatra, Indonesia. Its distribution is primarily concentrated along the mountainous backbone of the island, known as the Barisan Mountains, extending from the northern provinces of Aceh down to Lampung in the south. This species is no...
Least Concern
- The Red-billed Partridge is one of just two species of partridge endemic to the island of Sumatra, making it a true island specialist. - Its bright red bill, legs, and orbital skin are among the most vibrant of any partridge species, a stunning contrast to its otherwise camouflaged plumage. - D...