The Sabah partridge (''Tropicoperdix graydoni'') is a

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

species in the family

Phasianidae The Phasianidae are a family (biology), family of heavy, ground-living birds, which includes pheasants, partridges, junglefowl, chickens, Turkey bird, turkeys, Old World quail, and peafowl. The family includes many of the most popular Game (hunti ...

. It is found in

Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and eas ...

. It was formerly considered conspecific with the chestnut-necklaced partridge (''T. charltonii''), but can be distinguished by the buff scaling on the belly and the lack of rufous on the head.

References

Tropicoperdix Endemic birds of Malaysia Birds of Indonesia Birds described in 1906 Taxa named by Richard Bowdler Sharpe {{Galliformes-stub