Narrator: At first glance, a kangaroo's pouch looks like nothing but a built-in baby sling. But if you peeked inside, you'd see it's far more complex than a simple pocket. It has to be ...

At first glance, a kangaroo's pouch looks like nothing but a built-in baby sling. But if you peeked inside, you'd see it's far more complex than a simple pocket. It has to be because the joey ...

Kangaroo reproduction allows the mother to have ... joey gets the nutrition appropriate to their developmental stage. The inside of the mother’s pouch is hairless, which allows the tiny joey ...