Orphaned Cubs Are Nursed Back to Health With Help From Toy Tiger

Zoo Visitors Shocked to See First Critically Endangered Orangutan Born in Nearly a Decade

What Is Yellow and Black and Spiked All Over? Zoo Welcomes Bizarre-Looking Mammal

7 Endangered Penguin Chicks Take Their First Plunge In Zoo's Pool

Endangered Sea Turtle That Swallowed 915 Coins Dies, Despite Doctors Believing She Would Recover

Watch Monkeys Tease Their Newest Addition at Zoo

Endangered Sea Turtle Swallows 915 Coins After Tourists Tossed Spare Change in Pond for Good Luck

Denver Zoo Welcomes Surprise Baby Giraffe... While Giraffe Being Livestreamed is Still Waiting

Newborn Indian Rhino Gets Up to Take Her First Steps, Just Moments After Being Born

Giraffe Kicks Around a Soccer Ball at the Zoo: 'It's a Great Way for Him to Expel Energy'