Outback Hoppers are a type of kangaroo found in Australia. They are known for their ability to hop long distances and are often seen in the outback regions of the country. The scientific name for Outback Hoppers is Macropus robustus, commonly referred to as the 'big red kangaroo'. They are the largest species of kangaroo and can reach up to 2 meters in height. The term 'ROOS' is an abbreviation for this species of kangaroo.