Simplify the following text for a Grade 10 native English-speaking person.
Original: The Eastern Wallaroo ( Macropus robustus ) , also known as the Common Wallaroo , the Hill Wallaroo or the Euro , is a large , variable species of macropod found throughout much of the Australian mainland .
Simplified: The Eastern Wallaroo , Macropus robustus , sometimes called the , Common Wallaroo , the Red Wallaroo , or just Wallaroo lives on the sides of the Great Dividing Range ( which runs for more than 3,000 km along the eastern and south-eastern coast of Australia ) . There are four subspecies of Eastern Wallaroo :