
Naming
There are four subspecies of the wallaroo:⤷ Eastern wallaroo – Found in eastern Australia, males of this subspecies have dark fur, almost resembling the black wallaroo . Females are lighter, being almost sandy in colour.
⤷ Euro – Found on covering most of its remaining range, this subspecies is variable, but mostly brownish in colour.
⤷ ''M. r. isabellinus'' – This subspecies is restricted to Barrow Island in Western Australia, and is comparatively small. It is uniformly reddish brown.
⤷ ''M. r. woodwardi'' – This subspecies is found in the Kimberley region of Western Australia and in a band running through Northern Territory. It is the palest subspecies and is a dull brown-grey colour.
The eastern wallaroo —which is grey in colour—occupies the eastern slopes of the Great Dividing Range and the euro —rufous in colour—occupies land westward.

Status
The eastern wallaroo as a species is not considered to be threatened, but the Barrow Island subspecies is classified as vulnerable.References:
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