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.

You can also see the ants' underground nest at the Children's Zoo at San Diego Zoo, something you wouldn't be able to see in the wild.

Watch "Footloose," a rainbow lorikeet, practice free-flying as part of her exercise regimen at Lone Pine Koala Sanctuary in Australia.

Regular weight checks of the rare species are important when they're young to make sure they're healthy and growing properly.

A partnership between Hogle Zoo and the Huntsman Cancer Institute at the University of Utah aims to learn from elephants to help people fight cancer.

Meet another long-necked plant-eater from the African plain, whose name means "giraffe gazelle" in the Somali language.

Nindiri and Guapo may have some things to work out first.

Follow along with a rhino keeper as she takes you on a tour of a one-of-a-kind, 1,800-acre exhibit recreating the African and Asian savannas.

Enrichment aims to mimic the sort of problem-solving these intelligent animals would face in the wild.

Ozzy was having trouble acclimating to his new surroundings, until he was introduced to Bruno. Now, the two are "best buds."

This is the first time they have ever seen snow.

See what happens when Pygmy hippos and Wolf's guenons interact in one of the world's few mixed species exhibits.

It's mom Kokomo's first baby - Winston - at the San Diego Zoo Safari Park since transferring from the Oklahoma City Zoo on breeding loan.

Why zookeepers have to do bottle feedings with him five times a day.

It's breakfast time at the South Carolina aquarium's stingray tank.

One of their favorite prey? Snakes.

As seaside home bases go, you can do a lot worse.

Meet Icana, a Brazilian porcupine, and learn what unique feature helps her maintain balance while foraging and sleeping in the trees.

Every rhino calf born is important to the population.

Learn all about Asian and African elephants, and how zookeepers integrate new elephants into the habitat.

Polar bears are actually considered marine mammals, sporting partially webbed feet and swimming up to 30-60 miles across open ocean.

Visit the South Carolina Aquarium and prepare to be amazed.

At the San Diego Zoo, zookeepers and researchers are constantly gauging the pandas' behavior to see how well they're doing.

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