Stock photography, photos: Hippos in the Mara River - Kenya Stock photos of Hippos (Hippopotamus amphibius) in the Mara River. Maasai Mara Game Reserve. Kenya. Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: africa, east, africa, kenya, safari, hippo, hippopotamus, mammals, mammal, animal, animals, amphibious, Hippopotamus amphibius