Another special feature about the kangaroo pouch is that it's lined with sweat ... cozy environment to grow. And, like a pregnant belly, the pouch can stretch to fit the baby as it gets bigger.

Marsupials are mammals known for carrying their young in a pouch. This pouch is called a marsupium, which is a Latin word ...

Kangaroo reproduction allows ... Fortunately, the pouch is stretchy so it can continue to hold the joeys as they grow. At around 5-6 months old, the now lightly-furred joey will start to poke ...

At first glance, a kangaroo's pouch looks like nothing but a built ... cozy environment to grow. And, like a pregnant belly, the pouch can stretch to fit the baby as it gets bigger.

As they grow, joeys' heads and feet can often be seen hanging out of the pouch. Larger male kangaroos ... water sources—both of which are boons to kangaroo populations. Many millions of these ...

The kangaroo joey in this video is a natural at hopping, quickly jumping on his own seconds after leaving his mom's pouch Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE ...