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 ...

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

Nyani, a 34-year-old chimpanzee, had a baby girl at the Detroit Zoo on July 4. Zoo visitors will not see Nyani and her daughter yet, but animal care staff will approve their access to the public ...

Today, we're welcoming a brand new baby animal at the zoo! In this video, you'll see the introduction of the new baby, interactions with Winx the owl, some exciting new toys for the monkeys, and ...