Serengeti direction through the Serengeti National Park and north towards the Masai Mara reserve in Kenya. This migration is a natural phenomenon determined by the availability of grazing. The initial phase lasts from approximately January to March, when the calving season begins – a time when there is plenty of rain-ripened grass available for the 260,000 zebra that precede 1.7 million wildebeest and the following hundreds of thousands of other plains game, including around 470,000 gazelles. During February, the wildebeest spend their time on the short grass plains of the southeastern part of the ecosystem, grazing and giving birth to approximately
Serengeti District Serengeti District Serengeti District is one of the seven districts of Mara Region of Tanzania. Its administrative centre is the town of Mugumu. It is home to part of the world-famous Serengeti National Park and contains one of the western gates to the park. According to the 2012 Tanzania National Census, the population of Serengeti District was 249,420. There are no paved roads connecting Serengeti District with the rest of the country. The unpaved trunk road T17 from Musoma to Arusha passes through the district from west to east. As of 2012, Serengeti District was administratively divided into 28 wards.