Capuchin monkeys have the largest brains of all New World monkeys. Meet all the members of this group and learn what their roles are.

A new clue every five seconds as you try and decode these pixelated pictures.

This brother-sister pair couldn't be any more different.

Due to her mom facing some health challenges, zookeepers are stepping in to provide neonatal care.

Learn all about San Diego Zoo's expansion where you can be immersed in thousands upon thousands of butterflies.

Target training is used to get the meerkats to stand on a scale so they can be weighed.

Coatis, also known as coatimundis, are found in the southwestern U.S. and Central and South America.

Watch as these two females set out to explore the new exhibit at the San Diego Zoo, and see what makes South America's largest canid so unique.

Meet Anggun and Pangolina, two representatives of one of the most endangered species in the world.

Learn all about the largest slug found in North America.

Not much can keep these two friends apart.

Aussie native Olivia Degn introduces you to some kangaroos and wallabies that people have traveled thousands of miles just to see.

Decode the secret language of iguanas at San Diego Zoo's Anne and Kenneth Griffin Reptile Conservation Center.

Meet Garrett and Allie, two ambassadors of this beautiful species, and learn about their migration habits.

Meet one of Houston Zoo veterinarian Joe Flanagan's special cases.

Five facts you probably didn't know about this "merry, merry king of the bush."

Why sharks need vitamins to supplement their diets - and how their handlers get the job done.

Check in with a pair of young elephants at the San Diego Zoo Safari Park to see how the herd is taking them in.

Winston is believed to be the oldest breeding western lowlands gorilla in zoos today.

Did you know all these crazy facts about horseshoe crabs?

Dwarf crocodiles are the smallest species of crocs in Africa. Learn all about these patient waiters.

They're the last remnants of a bygone era.

The aardvark may be nature's hodgepodge, but all those striking features are there for a reason... and certainly come in handy.

This is the story of the "Poo Pile Mystery."