LOS ANGELES -- Los Angeles police are investigating a bizarre case of trespassing that involves a man slapping a hippo's butt at the L.A. Zoo. A video surfacing on social media shows a man hopping ...

Gayla Peevey, at age 10, recorded the holiday hit "I Want a Hippopotamus for Christmas" in 1953, leading to a successful ...

SAN DIEGO, Calif. (KABC) -- A pygmy hippo calf died only one week after being born at the San Diego Zoo. The zoo tweeted out a photo of the baby hippo, asking its followers to share sympathy with ...

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. The youngster was born ...

A new baby pygmy hippo was born at John Ball Zoo in Grand Rapids, Michigan. This is the fourth pygmy hippo born in a U.S. zoo in the last year, which is significant for the endangered species. Pygmy ...

Hippo mama Bibi gave birth six weeks early Jan. 24, 2017, to the first Nile hippo born at the Cincinnati Zoo & Botanical Garden in 75 years. No one could've imagined what a stir this underdeveloped, ...