"What's cool about this is that she'll forever be 10 years old ... and Mathilda, however old she was, she's back with us." ...

A male pygmy hippo – the same species as Thailand's viral Moo Deng – was born at Tanganyika Wildlife Park in Goddard, Kansas ...

Thousands of excited fans flocked to a Thai zoo on Thursday to celebrate the first birthday of Moo Deng, the adorable baby pygmy hippo that has become ...

The OKC Zoo dedicates its new bronze art installation "Gayla’s Hippo Hero," which celebrates the connection between the zoo ...