laargest freshwater mammal

The common hippopotamus  (hippopotamus amphibious ) typically weight 1,300-1,500kg (2,866-3,306lb) but can  reach 3,630kg (8,000lb).  Adult males grow is size and weight throughout  their lives.  by contrast around 25years old. Hippos are native to revers lakes and swamps in much of sub saharan  Afica  emerging only at night to graze. The term hippopotamus can be traced back to an ancient greek term meaning river horse these hefty creatures spend around 16 hr each day in the water which helps  them to keep  cool under the hot sun Despise their weight  they'er no slouches on land a hippo can run at around 30km/h (19mph).Their rounded form may suggest they are harmless but  that not so hippos kill several hundred people  every year. The  common hippopotamus has  the widest gape of any mammal it is able to open its  jaws to a remarkable 150-more the 100 greater  than the game that a human can achieve (45). The common hippo's mouth can accommodate this huge stretch owing  to the fact that is jaws are hinged so far back in its  skull.   https://myemail.constantcontact.com/THE-WATERHOLE--An-update-on-our-hippo-girls-.html?soid=1104210398507&aid=RROkCES4CK0