
The green machine
After humans, it must be elephants having the biggest impact on the landscape in Tanzania. Few trees get a chance to grow tall due the constant pressure of Elephants destroying and eating them, up to 300kg per day per animal.
And as a positive conservation note for once: In 1986, there were about 400-500 in the larger Serengeti area. Right now the estimation is at 2,000.

The African bush elephant is the larger of the two species of African elephant. Both it and the African forest elephant have usually been classified as a single species, known simply as the African elephant, but recent evidence has seen the forest elephant classified as a distinct species . Some authorities still consider the currently available evidence as insufficient for splitting African elephants into two species.