David Muir has the story of the 5-week-old pygmy hippo who refused to leave the pool on a hot summer day, until his mother ...

It's always fun to watch baby animals bonding with their caretakers, especially when things don't go as expected. TikToker ...

Pygmy hippo Mars didn’t listen to the zoo caretaker when play time in the pool was over, so his mom, Posie, had to step in.

When the staff at a zoo in Kansas is unable to convince Mars the pygmy hippo to get out of the pool, mom steps in to put her ...

Watch as a baby pygmy hippo becomes sassy and refuses to cooperate with zookeepers in an adorable video. Footage shared by ...

Fewer than 2,500 remain in the wild. Pygmy hippos, Poppy and her mom Iris, in the outdoor pool at Metro Richmond Zoo's Hippo Haven habitat.

Fully grown pygmy hippos can weigh up to 600 pounds, the zoo said. According to the zoo, the pygmy hippo is an endangered species native to the swamps and rivers of West Africa.

Berlin's beloved pygmy hippo Toni is moving to Mulhouse Zoo in France. Fans are invited to say au revoir at daily "Toni Time" ...

Fortunately, Moo Deng's caretakers at Khao Kheow Open Zoo have heard your cries. The Thai zoo has launched a 24-hour livestream of its pygmy hippo enclosure, giving people the world over a chance to ...

SAN DIEGO, Calif. (KABC) -- A mother pygmy hippo gave birth to a 12-pound baby Wednesday at the San Diego Zoo, making it the first surviving hippo birth in more than 10 years.

A mother pygmy hippo gave birth to a 12-pound baby Wednesday at the San Diego Zoo, making it the first surviving hippo birth in more than 10 years.

3-week-old Obi enters the big pool at the Melbourne Zoo with her mother for the first time. According to BBC, Obi broke the 33-year dry spell at the zoo during which no pygmy hippos were born.