Behind the scenes at a Chicago zoo, chimpanzees who spent years entertaining humans are learning to befriend their own kind.

The Milwaukee Zoo mourns the loss of Patti, the oldest hippo in U.S. zoos, who was known for her spirited personality.

Patti was humanely euthanized on Sunday, Nov. 10. According to a statement from the zoo, 55-year-old Patti — who was ...

Moo Deng fans have something to sing... er, I mean cheer... about. That's because the Khao Kheow Open Zoo in Thailand where ...

The sudden death of a two-year-old gorilla at the Wilder Institute/Calgary Zoo has prompted some conservation experts to push ...

The Gulf Breeze Zoo announced its newest member, a baby Nile hippopotamus on Tuesday.One of their female hippos named ...

A new reptile exhibit is opening Thursday at Seattle’s Woodland Park Zoo. Reptile Realm, formerly the Trail of Adaptations, will highlight threatened and endangered species from the forest floors to ...

LOUISVILLE, Ky. (AP) — Janet Rapp strode briskly down a paved path through the city zoo, waving at friends and stopping ...

The Gulf Breeze Zoo is proud to announce its newest member, a baby Nile hippopotamus. Cleopatra gave birth to a healthy male ...

Zoos in the United States are home to some of the largest and most impressive collections of wild animals in the world. They serve the dual purpose of letting kids and adults view the animals while ...

Zoo director Tipawadee Kittikoon said Moo Duang was the zoo's main attraction, with many families visiting the hippo exhibit to see him in person. She said: 'Even after the school break ended in ...

Edinburgh Zoo welcomes Haggis, an adorable pygmy hippo calf, joining the ranks of online stars like Thailand's Moo Deng.