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

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

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

In case you can’t get enough of pygmy hippo Moo Deng, there’s now an official song featuring the internet’s favorite baby ...

Saturday Night Live (SNL) joined in on the rivalry between Haggis – who was born last month at Edinburgh Zoo – and Moo Deng, a newborn pygmy hippo from Thailand (pictured below) who recently went ...

Edinburgh Zoo welcomes a new, adorable resident—a baby pygmy hippo named Haggis. Born on October 30th to parents Otto and ...