The Julia Creek dunnart (Sminthopsis douglasi) is a marsupial with a buffy brown upperside and white underside.

Julia Creek dunnarts are typically found on 8000 km2 in the Mitchel Grass downs of riparian grasslands, between Julia Creek and Richmond in Queensland, it possibly occurs in the Mitchell Plateau of Western Australia.

Breeding in wild populations is seasonal and occurs over a six-month period from August to March, which encompasses the hottest and wettest time of the year.

The Julia Creek dunnart is currently listed as a near threatened species by the IUCN.

[2] This is likely due to the invasion of prickly acacia plants and introduced predators such as cats and foxes.