Here's what it's like to be a zookeeper at Zoo Knoxville

Baby kangaroo takes its first hops

Baby marmoset cuddles close to mom at zoo

Newborn pygmy hippo explores new environment

Dog safe after entering a San Diego Zoo Safari Park gorilla enclosure

Dog removed after entering gorilla enclosure at San Diego Zoo Safari Park

Penguin parents sleep for just a few seconds at a time to guard their newborns, study show

Crane escapes from Cougar Mountain Zoo; Police and zookeepers on the lookout

6 critically endangered red wolf pups born at Zoo Knoxville

Indianapolis Zoo celebrates 'Charly the Orangutan's 30th birthday

Baby bobcat escapes from northern Indiana zoo

Meet Akobi, the new pygmy hippo at the Houston Zoo

African painted dog pups painting a story of survival at Potawatomi Zoo

Houston Zoo monitors how solar eclipse impacts animal behavior

National Zoo pandas Qing Bao and Bao Li share their 'first date' at the 'howdy' window

Meet the 2-month-old pygmy hippo 'Moo Deng' melting hearts around the world

Otters frolic throughout new home at Oregon Zoo

Cincinnati Zoo celebrates Fiona the hippo's 5th birthday

Sea otter slam dunks basketball at Oregon Zoo #shorts

Sea otter slam dunks basketball at Oregon Zoo

Red Panda climbs tree, escapes, from San Diego Zoo habitat; captured hours later

Lions steal hidden camera at Oregon Zoo

Lions steal hidden camera at Oregon Zoo

Staff at zoos in Ukraine stay behind to care for animals

Twin polar bears to debut at Point Defiance Zoo & Aquarium Thursday

Yun Chuan and Xin Bao | Here’s a look at the giant pandas’ favorite food