It has to be, because the joey inside is not your average baby. An adult male red kangaroo can stand over 1 1/2 meters tall and weigh 90 kilograms. That's larger than a grown man. But the newborns ...

The Matschie's tree kangaroo is endemic to the Huon Peninsula ... After birth, the fetus-like young, called a joey, crawls to a teat located inside the mother's pouch, where it attaches itself ...