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.

8. Red Kangaroo Joeys Are the Size of a Jellybean Red kangaroos (Osphranter rufus) are pregnant for up to 34 days, which is pretty short for such a large mammal. When they give birth, it’s just ...

Red kangaroos, Macropus rufus ... So, most of the joey’s development occurs in the mother’s pouch. Immediately after birth, ...