As the Philadelphia Zoo explains, baby hippos weigh about 60-110 pounds at birth. By their first birthday, however, they ...

A little-known rainforest species is stepping into the spotlight as Pygmy Hippo Day and a viral calf named Moo Deng turn ...

Most people remember hippos from school as huge animals that spend much of their time in rivers. That simple image leaves out ...

Mars, the baby Pygmy Hippo living at Tanganyika Wildlife Park in Kansas, has kept his caregivers on their toes from the very ...

Why would a rhino pick a fight with a hippo, and who has the advantage? Do hippos and rhinos usually get along? Despite their seemingly calm demeanor as they float through the water, hippos are ...

ORLANDO, Fla. — It’s a girl! ZooTampa at Lowry Park is celebrating the birth of rare and endangered pygmy hippopotamus. The yet unnamed calf was born March 31 and weighed around ten pounds. The birth ...

In 1977 the 24-year-old greeting card artist Sandra Boynton published her first book, Hippos Go Berserk! A “wild counting story” about a hippo whose home is visited by first two hippos, then three, ...