The western grey kangaroo is one of the largest macropods in Australia. It weighs 28–54 kg and its length is 0.84–1.1 m with a 0.80–1.0 m tail, standing approximately 1.3 m tall. It exhibits sexual dimorphism with the male up to twice the size of female. It has thick, coarse fur with colour ranging from pale grey to brown; its throat, chest and belly have a paler colour.