Tourists can get up close and personal with wildlife when they stay in safari camps at Kruger National Park. You never know ...

So did the hippos rush in to "save" a wildebeest in need? Not likely, says Douglas McCauley, a National Geographic explorer and professor at the University of California Santa Barbara.

Are hippos dangerous? Hippos hold a common perception of a cute and bubbly demeanor, but that is quite a far cry from the ...

On Dec. 4, a hippopotamus left the lake at about 3 p.m. local time and partially swallowed Iga in a highly unusual land attack for this area, according to Ugandan police.

Hippos spend much of their days in the water, but around dusk they “lumber onto land,” per National Geographic, to graze on roughly 80 pounds of grass in darkness.

The study was supported by grants from the National Science Foundation, the African Regional Research Program Fulbright and the National Geographic Society.