Patti — a river hippopotamus and a favorite animal at the Milwaukee County Zoo since she arrived in 1972 — has died. Patti ...

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

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

The Houston Zoo, which recently welcomed a four-and-a-half-year-old male pygmy hippopotamus to its exhibits, jokingly threw ...

Weighing in 477 pounds as a 4-year-old, the Houston Zoo welcomed an adorable hippo named Akobi to its exhibits.

Meet Haggis! The tiny pygmy hippo ( Choeropsis liberiensis) calf was born at the Royal Zoological Society of Scotland’s (RZSS ...

The Houston Zoo announced the arrival of Akobi, a 477-pound male pygmy hippopotamus from San Francisco, who comes to Houston ...

The Straits Times looks at seven animals who made a run for it – and succeeded. Read more at straitstimes.com.

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