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Photo: Attila Steiner · CC BY 4.0 (May be cropped or resized)
Arborophila rubrirostris
Habitat
Barisan highland forest
Range
Endemic to the Barisan highlands of Sumatra
The red-billed partridge is endemic to the Barisan highland forest in Sumatra. It is the only member of its genus in which the bill is completely red; other Arborophila have either a yellow-tipped red bill or a black bill (Wikipedia, general species account).