Description wikipedia

The chestnut-bellied partridge (Arborophila javanica) also known as chestnut-bellied hill-partridge or Javan hill-partridge is a small, up to 28 cm long, partridge with a rufous crown and nape, red legs, grey breast, brown wings, red facial skin, and a black mask, throat and bill. It has a rufous belly with white on the middle. The sexes are similar. The young has a whitish face and a reddish brown bill. An Indonesian endemic, the chestnut-bellied partridge is distributed to hill and mountain forests of west and east Java. The female lays up to four eggs in a domed nest of long grasses, built by the male. A common species in its limited range, the chestnut-bellied partridge is evaluated as Least Concern on the IUCN Red List of Threatened Species.