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.

Also, see what goes on during the fledging stage with the beautiful white fronted bee eaters at the San Diego Zoo.

Keith Thomas, lead horticulturalist at the San Diego Zoo, explains this and more from the Safari Park's Hidden Jungle.

Hand raised cub Nyack had a rough start, but has since been nursed back to health. See how his handlers at the San Diego Zoo have integrated him into the pride to help socialize him.

See how zookeepers are celebrating the one year anniversary of Mila's arrival, and why it's such an important milestone.

This koala mom's joey is named "Burra" which means 'Big Fella.'

In the course of such an introduction, it's normal to come out with a few scrapes.

This hippo calf is actually famous the world over for his "hippo ballet."

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

One of the first orangutans to have open heart surgery is celebrating her sweet sixteen.

Follow along with lead keeper Jane Kennedy and see what it's like to work in this vast 1,800 exhibit recreating the African and Asian savannas. Also, learn all about the formidable Indian gaurs which always have keepers on their toes.

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.

Witness the moment panda Bai Yun's sixth cub entered the world.

Learn about one of the San Diego Zoo's rarest residents, the Amur leopard.

Get an up-close peek at an exhibit that recreates the natural granite kopjes of the African savanna, and its furry residents.

Meet giant panda Bai Yun's sixth panda cub, and see what benchmarks veterinarians look for in measuring its health.

Zookeepers and guests witnessed a rare live birth of a river hippo calf.

Meet a unique bear hailing from South America.

It's this gorilla mom's sixth baby boy.

Watch as Kima and Koya explore their brand new exhibit, expressing natural behaviors as they would in the wild.

The elephant herd at the San Diego Zoo is getting even bigger.

This species practices "alloparenting" - which means this baby is going to get passed around A LOT.

It's not often they get to enjoy such a sweet treat.