Wallaroo is any of three closely related species of moderately large macropod, intermediate in size between the kangaroos and the wallabies, the  word "wallaroo" is from which Australian Aboriginal language of the Yuin–Kuric group that is spoken in the region of Sydney, New South Wales, "walaru"?
Dharug language The Sydney language, also referred to as Darug or Iyora (Eora), is an Australian Aboriginal language of the Yuin–Kuric group that is spoken in the region of Sydney, New South Wales. It is the traditional language of the Darug and Eora peoples.
Warlpiri people The Warlpiri are a group of Indigenous Australians, many of whom speak the Warlpiri language. There are 5,000–6,000 Warlpiri, living mostly in a few towns and settlements scattered through their traditional land in Australia's Northern Territory, north and west of Alice Springs. About 3,000 still speak the Warlpiri language. The word "Warlpiri" has also been romanised as Walpiri, Walbiri, Elpira, Ilpara and Wailbri.