Kenya 200,000 zebras participate in the migration across the Mara River. The "Big Five" game animals of Africa, that is the lion, leopard, buffalo, rhinoceros, and elephant, can be found in Kenya and in the Masai Mara in particular. A significant population of other wild animals, reptiles and birds can be found in the national parks and game reserves in the country. The annual animal migration occurs between June and September with millions of animals taking part, attracting valuable foreign tourism. Two million wildebeest migrate a distance of from the Serengeti in neighbouring Tanzania to the Masai Mara in Kenya, in
Serengeti low of in the lee of the Ngorongoro highlands to a high of on the shores of Lake Victoria. The highlands, which are considerably cooler than the plains and are covered by montane forest, mark the eastern border of the basin in which the Serengeti lies. The Serengeti plain is punctuated by granite and gneiss outcroppings known as kopjes. These outcroppings are the result of volcanic activity. Kopjes provide a microhabitat for non-plains wildlife. One kopje likely to be seen by visitors to the Serengeti is the Simba Kopje (Lion Kopje). The area is also home to the Ngorongoro Conservation