Hippopotamus (Hippopotamus amphibius), grazing at the bank of the Chobe River, Chobe National Park, Botswana, Africa

Hippopotamus (Hippopotamus amphibius), yawning bull enters the Chobe River, on its back a Red-billed Oxpecker (Buphagus erythrorhynchus), Chobe National Park, Botswana, Africa

Hippopotamus (Hippopotamus amphibius), with wet skin at the bank of the Chobe River, Chobe National Park, Botswana, Africa

Hippopotamus (Hippopotamus amphibius), with wet skin at the bank of the Chobe River, Chobe National Park, Botswana, Africa

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

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

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

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

Hippopotamus (Hippopotamus amphibius), bull just entered the Chobe River, on its back a Red-billed Oxpecker (Buphagus erythrorhynchus), Chobe National Park, Botswana, Africa

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

Hippopotamus (Hippopotamus amphibius), grazing at the bank of the Chobe River next to a little bird, Chobe National Park, Botswana, Africa

Cape Buffalo (Syncerus caffer caffer), bull at the Chobe River, Chobe National Park, Botswana, Africa

"Hippopotamus (Hippopotamus amphibius), Chobe National Park, Kasane, North-West District, Botswana, Africa"

"Hippopotamuses (Hippopotamus amphibius), Chobe National Park, Kasane, North-West District, Botswana, Africa"

"Hippopotamus (Hippopotamus amphibius), Chobe National Park, Kasane, North-West District, Botswana, Africa"

"Hippopotamus (Hippopotamus amphibius) in the Chobe River backlit at sunset, Chobe National Park, Botswana, Africa"

Flusspferd (Hippopotamus amphibius) auf Wiese, Chobe-Nationalpark, Botswana, Afrika

Flusspferd (Hippopotamus amphibius) auf Wiese mit Gras im Maul, Chobe-Nationalpark, Botswana, Afrika

Hippos (Hippopotamus amphibius), dam with newborn calf in water, Moremi Wildlife Reserve, Chobe District, Botswana, Africa

Hippos (Hippopotamus amphibius), dam with newborn calf in water, Moremi Wildlife Reserve, Chobe District, Botswana, Africa

Hippos (Hippopotamus amphibius), dam with newborn calf in water, Moremi Wildlife Reserve, Chobe District, Botswana, Africa

Hippopotamus (Hippopotamus amphibius), bull enters the Chobe River, Chobe National Park, Botswana, Africa