Along with humans, orangutans belong to the Hominidae family tree, which stretches back 14 million years. But it's not just their striking red hair that makes orangutans unique among our great ape cousins. Lu Gao shares some amazing...

The Saint Louis Zoo is raising Ozark Hellbenders, which grow up to about two feet long, all the way from eggs until they are ready to be released into the wild.

An older female kangaroo was starting to move slower than others in her mob, so keepers did a scan and discovered she had injured her spine.

Meet Tony and his mom Funani at the San Diego Zoo's river hippopotamus exhibit and learn all about this young calf's development.

How a human chiropractor came to Aima's aid.

Ever wondered what it's like to take care of baby animals for a living? This might be the most fun job in the world.

Learn why his name is a perfect fit.

She's surprisingly brave and sure-footed for a baby.

Animals can show bravery and strength, just like us.

See what tricks zookeepers employ to keep a giraffe calf focused on his bottle.

The older female kangaroo was starting to move slower than others kangaroos in her mob, so keepers did a scan and discovered she had injured her spine.

Animals can show bravery and strength, just like us.

The older female kangaroo was starting to move slower than others kangaroos in her mob, so keepers did a scan and discovered she had injured her spine.

The Saint Louis Zoo is raising Ozark Hellbenders, which grow up to about two feet long, all the way from eggs until they are ready to be released into the wild.

See what tricks zookeepers employ to keep a giraffe calf focused on his bottle.

Naturally, queens are entitled to their own space. So Coretta took it upon herself to claim an entire portion of the exhibit.

The older female kangaroo was starting to move slower than others kangaroos in her mob, so keepers did a scan and discovered she had injured her spine.

The Attwater's Prairie-Chicken may be the most endangered bird in North America, with very few left in the wild, but a conservation program at the Houston Zoo is working hard to ensure they don't go extinct.

See what tricks zookeepers employ to keep a giraffe calf focused on his bottle.

Icy treats help staff at the Maryland Zoo keep their residents cool in warmer weather.

Some days, it's more like "paddles" than "steps."

Watch all the creative ways keepers sneak medicine to animals at Utah's Hogle Zoo.

Ever wondered what it's like to take care of baby animals for a living? This might be the most fun job in the world.

Making sure animals stay healthy is a top priority at Utah's Hogle Zoo. Sometimes, that can be a real challenge.