The white-footed dunnart (Sminthopsis leucopus) is a marsupial that occurs of Tasmania and mainland Australia. It occurs along the coast and in inner Gippsland and Alpine areas up to 400 metres near Narbethong. The length from snout to tail being 140–200 mm of which head to anus is 70–110 mm and tail 70–90 mm long and with a weight of 19–27 g.