The native fauna are marsupials, monotremes, reptiles, amphibians, bats and birds. The Greater Glider ("Petauroides volans") is the largest possum found in this forest. It lives in the western part of the Wombat State Forest. Several threatened bird species live in the forest including the Great Egret, Intermediate Egret, Grey Goshawk, Australian Masked Owl, Powerful Owl and Square-tailed Kite. The forest is also home to the Red-browed Treecreeper and Olive Whistler.