Kangaroo Facts
A male kangaroo is called a boomer, and a female is called a flyer.
If you lift a kangaroo's tail off the ground, it can't hop. Roos use their tail for balance.
Male kangaroos do not have pouches.
There are 47 varieties of kangaroo, ranging in size from the two-pound rock wallaby to the 6-foot, 300-pound red kangaroo.
European explorers asked aborigines what these strange hopping animals were called, and they replied, "Kangaroo," which meant, "I don't understand."
Kangaroos are called wallabies by the natives of Australia.
Kangaroos can hop as fast as 40 miles per hour.
Kangaroos live up to 20 years in captivity, but only six in the wild.