Common hippos, Hippopotamus amphibius, two young males sparring, Kruger National Park, South Africa, Africa

Hippopotamus (Hippopotamus amphibius), Savute Channel, Linyanti, Botswana, Africa

Two hippopotamus (Hippopotamus amphibius) fighting, Masai Mara National Reserve, Kenya, East Africa, Africa

Hippopotamus (Hippopotamus amphibius), Masai Mara, Kenya, Africa

Hippopotamuses (Hippopotamus amphibius) drinking in a waterhole, Tshukudu Game Lodge, Hoedspruit, Greater Kruger National Park, Limpopo Province, South Africa, Africa

Hippopotamus (Hippopotamus amphibius), measuing their strength in a threat display, Orangi River, Serengeti, Tanzania, Africa

Hippopotamus (Hippopotamus amphibius), two fighting, Murchison Falls National Park, North Uganda, Africa

Two hippopotamus (Hippopotamus amphibius) in the river, Masai Mara, Kenya, Africa

Hippopotamus (Hippopotamus amphibius), two fighting, Murchison Falls National Park, North Uganda, Africa

2 (Hippopotamus amphibius) Hippos go into the water. Lower Zambezi National Park, Zambia, Africa

Hippopotamus (Hippopotamus amphibius) in the water, close-up, in the the Chobe River, Chobe National Park, Botswana, Africa

Close-up of two hippo (Hippopotamus amphibius) fighting and splashing in water, Serengeti, Tanzania

Two Hippopotamus (Hippopotamus amphibious) face off aggressively in shallow water in Katavi National Park, Tanzania

Two Hippos (Hippopotamus Amphibius) In A Group In A Lake, Resting Their Heads On The Back Of Another Hippopotamus, Green Vegetation On The Shore In The Distance, Kenya

Hippo, Kenya, Africa

Two hippos, Hippopotamus amphibius, fight on land, mouth open, blood visible, Sabi Sands, Greater Kruger National Park, South Africa

Two hippos, Hippopotamus amphibius, fight on land, mouth open, blood visible, Sabi Sands, Greater Kruger National Park, South Africa

Two hippos, Hippopotamus amphibius, open their mouths while fighting in water, teeth and blood visible, Sabi Sands, Greater Kruger National Park, South Africa

Two hippos, Hippopotamus amphibius, fight each other on land, one with his jaws wide open, the other with bloodied mouth and flanks, Londolozi Game Reserve, Sabi Sands, South Africa

Female and young hippo lying on the bank, Kruger

Common Hippo (Hippopotamus amphibius) in the grass, Masai Mara National Reserve, National Park, Kenya

Common Hippo (Hippopotamus amphibius), showdown, South Luangwa natioinal Park, Luangwa river, Zambia

Hippos underwater Bioparc Valencia, Spain