Small, cryptically-plumaged, ground-dwelling birds of grasslands. Five endemic species and two wider ranging native species. Of the non-endemic natives, the only subspecies in Australia of the Red-backed Button-quail Turnix maculosus, the Australian Red-backed Button-quail T. m. pseutes also occurs in New Guinea, whereas both the Houtman Abrolhos Painted Button-quail T. varius scintillans and the Australian Painted Button-quail T. v. varius are endemic subspecies of the Painted Button-quail.