Hippopotamus (Hippopotamus amphibius) - Bull enters the Chobe River. Photographed from a boat. Chobe National Park, Botswana.

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), grazing bull at the bank of the Chobe River, on its back a Red-billed Oxpecker (Buphagus erythrorhynchus), 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

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

Hippopotamus (Hippopotamus amphibius) - Close-up. In the the Chobe River. Photographed from a boat. Chobe National Park, Botswana.

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

Nile Monitor (Varanus niloticus), at the bank of the Chobe River, Chobe National Park, Botswana, Africa

Malachite Kingfisher (Alcedo cristata), perching at the bank of the Chobe River, Chobe National Park, Botswana, Africa

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

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

"Hippopotamus (Hippopotamus amphibius) on meadow with grass in the mouth, Chobe National Park, Botswana, Africa"

"African Elephant (Loxodonta africana), drinking at the river, Kasane, Chobe National Park, Botswana, Africa"

"African elephants (Loxodonta africana), herd drinking at the river, Kasane, Chobe National Park, Botswana, Africa"

"Herd of African Elephants (Loxodonta africana) crossing a river, panoramic view, Chobe National Park, Chobe River, Botswana, Africa"

Flusspferd (Hippopotamus amphibius) im Chobe-Fluss im Gegenlicht bei Sonnenuntergang, Chobe-Nationalpark, Botswana, Afrika

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