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Photo: Forest Botial-Jarvis · CC BY 4.0 (May be cropped or resized)
Arborophila orientalis
Habitat
Highland forest
Range
Endemic to the eastern salient of Java
Size
28cm
The grey-breasted partridge, also known as the white-faced or Horsfield's hill partridge, is a stocky, short-tailed partridge measuring 28 cm, endemic to highland forest in the eastern salient of Java. Sightings have mostly come from frequently visited nature preserves such as Kawah Ijen. The Sumatran forms Roll's partridge and the Sumatran partridge are sometimes treated as its subspecies (Wikipedia, general species account).