Another species, B. cuniculus, formerly was recognized from Tasmania but is now included in B. gaimardi. Sharman et al. The tail is crested in all species except B. lesueur and usually is white-tipped in B. gaimardi and B. lesueur. The tip of the muzzle is naked and flesh-colored, and the ears are short and rounded. The hind feet are longer than the head.
Females have four mammae and a well-developed pouch.
Habitats include grassland, heath, and sclerophyll woodland. They construct nests, usually of grass but sometimes using sticks or bark, and they carry nesting material in the curled-up tip of their tail. The nests generally are located at the base of a grass tussock or overhanging bush. There sometimes is an earth excavation at the base, but B. lesueur constructs a large burrow for community dwelling and may modify a rabbit warren for its own use. The claws of all species are used for digging.