Grown up young bulls are forced out of these units at the age of about 12-15 years and later they join bull herds. The tasks of elephants in Etosha which are actually two upper front teeth do not attain significant lengths mostly attributable to mineral deficiency. Another reason is that elephants use the tasks for digging up a roots and breaking the tips of tasks in process. The Etosha elephants are regarded as tallest in Africa. To regulate the body temperature they often use stomach water spraying it over the body or using large ears as radiators continually flopping them.
Elephants have only four molars in use at a time.
As these are worn down they get replaced by new ones. Elephants can be destructive around waterholes and the surrounding areas can be severely damaged and deforested. The diet of elephants consists of grass, bark of tree branches, leaves, roots and fruits. The average elephant eats approximately 230 kilograms of fodder per day and drinks up to 180 litres of water. Elephant can weight up to 6000 kilograms and has a shoulder height up to 3 meters.