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

Thailand's pygmy hippo Moo Deng marked her first birthday on Thursday, drawing crowds of diehard fans even as she left behind ...

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.

Footage shows the penguins at Edinburgh Zoo rolling in ice donated by local fishmongers to try and keep cool during the heatwave.

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

Totally unfazed that it was her birthday, she wandered around her enclosure, took a few naps and chewed her caretaker’s knees ...

The longest-standing resident at one Florida animal shelter was finally adopted Tuesday — an event that has been long awaited ...

Say goodbye with these unique "See ya later, alligator" style sayings! They're cute and creative responses perfect for kids (or kids at heart).

CNN’s Patrick Snell visits Times Square in New York and speaks to fans about how they are preparing for the heat ahead of ...

Moo Deng, whose name means “bouncing pig” in Thai, became a global superstar last year, with images of her rosy cheeks and ...