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 world's highest concentrations of primates -- landed a spot Sunday on the UN ...

Adoring fans from around the world converged in Thailand this week to celebrate the first birthday of Moo Deng, the baby pygmy hippo who became a social media sensation. John Yang reports.

Thousands of fans have flocked to a Thailand zoo to celebrate the first birthday of Moo Deng, the baby pygmy hippo that's ...

The Metro Richmond Zoo has launched the Poppy Cam, a new livestream of its baby pygmy hippo Poppy and her mother, Iris.

Tanganyika Wildlife Park in Kansas welcomed a new baby pygmy hippo. The boy might just become a new internet celebrity.

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

A Ramona Wildlife Center pygmy hippo that was rescued more than two decades ago broke a world record this weekend by becoming the oldest living captive pygmy hippo in recorded history, San Diego ...

A Ramona Wildlife Center pygmy hippo that was rescued more than two decades ago broke a world record this weekend by becoming the oldest living captive pygmy hippo in recorded history, San Diego ...

Poppy, the pygmy hippo of Metro Richmond Zoo, has taken her first steps outside in time for Pygmy Hippo Day.

Poppy pygmy hippo, mom Iris may now be viewed in outdoor Hippo Haven at Metro Richmond Zoo 'Iris and Poppy love being outside to soak up the sun and shade. Their habitat features a large pool ...

Poppy, a baby pygmy hippo, made her debut in her outdoor living space at Virginia’s Metro Richmond Zoo, officials said Tuesday.