Introducing the cubs to dad is the final step to bringing the whole pride together.

Learn what it's like to care for a baby animal that's even taller than you are.

It's a great opportunity to see the bears' natural behaviors, such as digging for hidden food.

A budding sense of adventure is getting him into all sorts of trouble.

See what it's like to care for this tiny marsupial, born only the size of a kidney bean.

See how this matriarch of five generations celebrates her 52nd birthday.

As a new elephant calf joins the herd, see how he learns about the social hierarchy.

When most people think of Wyoming, they think of larger animals like bison, moose, and pronghorn - but there's another animal found only in this region that's incredibly important - the Wyoming toad.

This eagle was deemed "non-releasable" by a wildlife rehabilitator - so now he has a new, very important job.

Learn how beavers are such great swimmers, and more.

Watch a pair of tortoises tear some pumpkins apart, and learn why it's the perfect snack.

Meet the newest member of this family and learn all about the world's largest rodent.

Learn about the San Diego Zoo's collection of orangutans, western lowland gorillas, and bonobos.

No other bird finds its food the way a New Zealand kiwi does.

Watch her explore the exhibit with mom Pumpkin and learn what makes these furry rodents unique.

When it comes to caring for these little legends, the keepers at San Antonio Zoo try to mimic their natural environment as much as possible.

See Monroe having the time of his life at his 2nd birthday party.. zipping around the grounds, eating popcorn, and wrestling with his buddy Frank.

How this important step presents a unique challenge to zookeepers.

Learn all about these incredible birds.

Male platypuses use this unique, hidden defense mechanism to fend off other males in the breeding season.

Learn about these birds' migratory habits and meet Garrett and Allie, two residents of the Maryland Zoo's aviary.

Both male and female Bighorn sheep have horns, but only the males' continue to grow as they get older.

The Australia Zoo Wildlife Hospital has treated over 68,000 sick, injured, orphaned native wildlife since 2004. Today is yet another busy day at the hospital.

Also, zookeepers figure out a way for this Sumatran tiger to "lick" her own stamp and it's pretty ingenious.