Essentially, this comes down to where evolution meets practicality. Evolution has changed the shape of these two kangaroo species down different paths, adapted to eating different foods.

Essentially, this comes down to where evolution meets practicality. Evolution has changed the shape of these two kangaroo species down different paths, adapted to eating different foods.

The red kangaroo. Red Kangaroos are Australia's largest native land mammal. The evolution of the ability to hop gives kangaroos a cheap and efficient way to get around. But not everything can move ...