Rollulinae is a bird subfamily containing the jungle and wood partridges. They are sister to all other members of the family Phasianidae, having diverged during the late Eocene or early Oligocene, abo

The red-breasted partridge, also known as the Bornean hill-partridge, is a species of bird in the family Phasianidae. It is endemic to hill and montane forest in Borneo, preferring bamboos and thicket