Simplify the following text for a Grade 12 native English-speaking person.
Original: The best-known species is Macropus robustus , which is known as the Eastern Wallaroo , Common Wallaroo or just Wallaroo on the slopes of the Great Dividing Range ( which runs for more than 3,000 km around the eastern and south-eastern coast of Australia ) , and as the Euro in most of the rest of the continent .
Simplified: The Eastern Wallaroo , Macropus robustus , sometimes called the , Common 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 ) .