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A zoo in the U.S. state of Kansas has welcomed the birth of a healthy baby pygmy hippopotamus, raising hope for a species ...

Why are hippos so aggressive? And what happens to the humans who happen to get on their bad side? According to the experts, hippo attacks may be all about being in the wrong place at the wrong ...

Oklahoma City native Gayla Peevey speaks about her iconic Christmas song and decades-long bond with the OKC Zoo as a statue is to be unveiled in her honor.

Books One of the Greatest Children’s Books of All Time Just Got a Sequel. The Author Has Her Reasons. Sandra Boynton on why her hippos have gone from berserk to, suddenly, calm.

A female pygmy hippopotamus calf was born at the Metro Richmond Zoo in early December, marking the third calf of the endangered species to be born at the zoo in the last five years, officials said.

All hippos, including pygmy hippos, produce this secretion. It doesn’t matter what they eat, their bodies produce this “red sweat.” When isolated, these two pigments are highly unstable.

UNIDENTIFIED CHILD: (Reading) The hippos over here really don't like how those tall giraffes are getting all the leaves for themselves. One hippo's like, how rude, I'm starving.

There are some gifts even Santa Claus can’t pull off — and for kids whose Christmas lists are a little too ambitious, “I Want a Hippopotamus” might provide some sanctuary.

The Edinburgh Zoo launched a cuteness contest between Haggis, its newborn pygmy hippo, and Moo Deng, the adorable mini hippopotamus that became a viral sensation at a Thailand zoo this summer.

Wildlife groups argue the U.S. Fish and Wildlife Service to put common hippos on the endangered list to protect against U.S. trade in body parts.

Surprise new research from the Royal Veterinary College in England has uncovered that the African animals launch all four of their feet in the air 15% of the time whilst running at full speed.