Serengeti over 80 percent of the Serengeti. The southeastern area lies in the rain shadow of the Ngorongoro Conservation Area's highlands and is composed of shortgrass treeless plains with abundant small dicots. Soils are high in nutrients, overlying a shallow calcareous hardpan due to natrocarbonatite eruptions from Ol Doinyo Lengai. A gradient of soil depth northwestward across the plains results in changes in the herbaceous community and taller grass. About west, acacia woodlands appear suddenly and stretch west to Lake Victoria and north to the Loita Plains, north of the Maasai Mara National Reserve. The sixteen acacia species vary over this
Serengeti 500 bird species are found there. This high diversity is a function of diverse habitats, including riverine forests, swamps, kopjes, grasslands, and woodlands. Blue wildebeests, gazelles, zebras, and buffalos are some of the commonly found large mammals in the region. There has been controversy about a proposed road to be built through the Serengeti. Serengeti is derived from the Maasai language, Maa; specifically, "Serengit" meaning "Endless Plains". Much of the Serengeti was known to outsiders as Maasailand. The Maasai are known as fierce warriors and live alongside most wild animals with an aversion to eating game and birds, subsisting exclusively