An adult male red kangaroo can stand over 1 1/2 meters tall ... After all, they only spend 33 days inside their mom before birth. That's like a human having a baby when she's two months pregnant.

David White, team manager at the zoo, said the Goodfellow's tree kangaroo species, native to Papua New Guinea, had "one of the most complex birthing processes in the animal kingdom". "When a joey ...

The Matschie's tree kangaroo is endemic to the Huon Peninsula ... Female tree kangaroos give birth to one offspring after a gestation period of approximately 44 days. After birth, the fetus ...