Pandas can develop a "pseudo pregnancy," so multiple ultrasounds are needed to confirm if they're actually pregnant.

They make look alike, but based on personality they're pretty easy to tell apart.

As with human kids, when called... the cheetah cubs sometimes listen to mom and sometimes don't.

Pandas can develop a "pseudo pregnancy," so multiple ultrasounds are needed to confirm if they're actually pregnant.

See what it's like to raise a couple of tiger cubs, including how much they eat and how they brush their teeth.

Every new rhino calf born is incredibly important to the population. Here's where science comes in.

Multi-platinum Grammy nominated music producer Christopher Gholson, better known as Drumma Boy, has worked with artists such as 2 Chainz, Kanye West, T.I. and more. Recently, Drumma Boy took time out off from recording to talk to a...

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

See how orangutan Aisha's climbing skills are already starting to develop even at such a young age.

He's quite the character, and has no problem getting around.

Get to know all the members of this gibbon troop, and see how one is adapting to life with just one arm.

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

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

Meet eight-month-old orangutan Aisha, who's starting to get curious about her surroundings.

See what it's like to raise a couple of tiger cubs, including how much they eat and how they brush their teeth.

Since her mom is a little older and has a few health challenges, the neonatal assistive care unit is stepping in to care for her until the two are able to be reunited.

She uses a special vocalization to round them up, which they frequently, totally ignore.

This 8-month-old orangutan is entering a prime stage of discovery.

Giving a panda an ultrasound may sound like a challenge, but well-trained Bai Yun made the process a snap.

A neonatal assistive care unit provides care for an 11-day-old female ring tailed lemur until she's able to be reunited with her mom.

He's quite the character, and has no problem getting around.

They make look alike, but based on personality they're pretty easy to tell apart.

The 8-month-old is at a very curious age.

The neonatal assistive care unit at the San Diego Zoo watches over an 11-day-old female.