A birthday bash fit for a queen — or at least a very cute hippo.

Activist Tommy Garnett's decades of work paid off when Sierra Leone's Tiwai island -- a lush forest home to one of the ...

The Khao Kheow Open Zoo was overrun with Moo Deng fans on the first of four days of activities marking the hippo’s birthday.

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

Tanganyika Wildlife Park recently welcomed a new addition to its family, enhancing the pygmy hippopotamus population.

Thailand's pygmy hippopotamus Moo Deng, who turns 1 in July, is going viral again for sporting two green leaves that appear as her eyebrows. See it.

San Diego Humane Society officials announced this weekend that Hannah Shirley, a 51-year-old pygmy hippopotamus at the Ramona Wildlife Center, had become the oldest pygmy hippo ever living in ...

San Diego Humane Society officials announced this weekend that Hannah Shirley, a 51-year-old pygmy hippopotamus at the Ramona Wildlife Center, had become the oldest pygmy hippo ever living in ...

On May 25, 2025, the San Diego Humane Society’s Ramona Wildlife Center’s pygmy hippopotamus — Hannah Shirley — surpassed the previous record of 51 years, 6 months and 2 days, making her ...

The San Diego Humane Society’s Ramona Wildlife Center’s pygmy hippo, Hannah Shirley, has surpassed the record of the oldest pygmy hippopotamus in managed care in the world ...

Pygmy hippopotamus Hannah Shirley at her Humane Society birthday bash. (File photo courtesy San Diego Humane Society’s Ramona Wildlife Center) The San Diego Humane Society’s Ramona Wildlife ...

Officials at the San Diego Humane Society's Ramona Wildlife Center are celebrating a historic milestone Sunday, as their beloved pygmy hippopotamus Hannah Shirley became the oldest such animal ...