Some wildebeest scamper near the camp Savute Elephant Camp by Orient Express in Botswna in Chobe National Park . In the first days of June sees one of the most characteristic events of Africa , thousands of wildebeest moving across the plain toward its summer quarters in search of better pastures. This unstoppable march a thousand times filmed , photographed and commented , is the best known aspect of this keystone species in the food chain of the savanna. Before embarking on its annual journey, there have been bridal stops within the herd, dotted with violent disputes among males for the conquest of a small territory which will occur copulations with females that have been able to attract . With already mated females , different groups began to join forming endless streams of people who will not stop until reach areas of fresh pasture Lake Victoria or the Ngorongoro Crater, where they will spend five or six months before returning to their places of origin .