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.

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 ...

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

Thousands of fans have flocked to Thailand's Khao Kheow Open Zoo to celebrate the first birthday of Moo Deng, the baby pygmy hippo that has become a social media sensation.

A baby pygmy hippo is making her outdoor debut at a Virginia zoo. The endangered hippo named Poppy was born Dec. 9 and it finally got warm enough for her and mom Iris to go outside March 28 at ...

This baby pygmy hippo is making her public debut outdoors at a Virginia zoo. The endangered hippo, named Poppy, was born Dec. 9. It finally got warm enough for her and her mother, Iris, to go outside ...

RICHMOND, Va. — A female pygmy hippopotamus delivered a healthy calf at the Metro Richmond Zoo earlier this month, officials said — the third baby hippo born at the zoo within the past five ...

The United States now has its own pygmy hippo baby to compete with the cute viral hippo babies born in other countries recently.