Hannah Shirley, a pygmy hippopotamus at the San Diego Humane Society, has become the world's oldest known pygmy hippo at 52 years old, far surpassing ...

Hannah Shirley, the world’s oldest known pygmy hippo, marked her 52nd birthday at the San Diego Humane Society’s Ramona ...

Hannah the Hippo, now 52, celebrated her special day at the San Diego Humane Society’s Ramona Wildlife Center with onlookers ...

Hannah Shirley, the world’s oldest living pygmy hippopotamus in managed care, is celebrating her 52nd birthday at the San ...

The world's oldest pygmy hippopotamus celebrated its 52nd birthday with a Hungry Hungry Hippos-themed party. Born on November ...

Anyone who meets Hannah falls in love with her,” said Wildlife Rehabilitation Supervisort Angela Hernandez-Cusick, ...

One rare baby pygmy hippo may be too cute for his own good, but he has won the hearts of thousands of fans in the few short ...

Billionaire and climate change activist Tom Steyer is throwing his hat in the ring to become the next California governor.

Here’s a look at little Maisy, the BioPark’s one-month-old Nile hippo who’s already getting good grades on her How to Hippo ...

A baby pygmy hippo named Mars lives at Tanganyika Wildlife Park in Goddard, Kansas, and while he might just be a few months old, he's got the biggest personality at the park! He's very independent and ...