The Hippopotamus, also shortened to Hippo, is the third heaviest land mammal (after the elephant and rhino) and is native to sub-Saharan Africa.
Its name means river horse and it is semi-aquatic, spending most of the day in rivers/water resting and the dusk/night grazing/feeding. It is vegetarian.
In the water a male (bull) will defend a territory of a harem of females and females give birth, but eating happens on land.
The gapping mouth is huge.
Looks like someone I know.
An aggressive, dangerous animal, it can sprint some 30 km/hr on land.
The Hippo, despite its size, swims well and is graceful in water.