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Great wildebeest migration

The great Serengeti wildebeest migration also known as the Gnu Migration, Serengeti Migration and Masai Mara Migration is the movement of vast numbers of the Serengeti’s wildebeest, accompanied by large numbers of zebra, and smaller numbers of Grant’s gazelle, Thomson’s gazelle, eland and impala. These move in an annual pattern which is fairly predictable. They migrate throughout the year, constantly seeking fresh grazing pastures and, it’s now thought, better quality water.

Most people think that the Wildebeest Migration only takes place between July and October, but it’s actually an ever-moving, circular migration with various but equally exciting events that occur year-round. The popular river crossings usually coincide with safari’s high season (June to October), hence the perception that this is the only time of the year that the wildebeest are on the move or can be seen.

The precise timing of the Serengeti wildebeest migration is entirely dependent upon the rainfall patterns each year – here we explain how the broad pattern works.

Below are twelve detailed plotting, month-by month, the typical migration pattern of the Serengeti’s great wildebeest migration.

This migration always varies from year to year, in response mainly to variations in the weather, the available grazing and available water. But these are the best general guide that we have to its location.

Month by month: the Serengeti wildebeest migration
The short rains begin around early November. A little after this, in late November and December, the herds of the wildebeest migration arrive on the short-grass plains of the Serengeti. These are south and east of Seronera, around Ndutu and include the north of the Ngorongoro Conservation Area. Dispersed across these plains, wildebeest and zebra are everywhere – feeding on the fresh, nutritious grasses. They stay here through January, February and March, with most wildebeest calves born in a short window around February. Gradually they spread west across these plains, then around April they start their great migration north.

By May the Serengeti’s wildebeest all seem to be moving north, migrating to seek fresh grazing and water. The area around Moru Kopjes and west of Seronera is then hectic with a series of moving columns, often containing hundreds of thousands of animals – joined by many zebra, and a scattering of Thomson’s and Grant’s gazelles.

Some of the migration then head due north of Seronera, but most are usually further west. Around June the wildebeest migration is often halted on the south side of the Grumeti River, which has some channels which block or slow their migration north. The wildebeest then congregate there, in the Western Corridor, often building up to a high density before crossing the river. The river here is normally a series of pools and channels, but it’s not continuous – and so whilst they always represent an annual feast for the Grumeti River’s large crocodiles, these aren’t usually quite as spectacular as the crossings of the Mara River, further north.

The wildebeest migration continues moving northwards during July and August, often spreading out across a broad front: some heading through Grumeti Reserve and Ikorongo, others north through the heart of the Serengeti National Park.

September sees the herds spread out across the northern Serengeti, where the Mara River provides the migration with its most serious obstacle. This river gushes through the northern Serengeti from Kenya’s adjacent Maasai Mara Game Reserve. Watching the frantic herds of the wildebeest migration crossing the Mara River can be very spectacular; there are often scenes of great panic and confusion. It’s common to see herds cross the Mara River north on one day, and then back south a few days later.

By October the wildebeest herds are migrating again with more accord: all are heading south, through western Loliondo and the Serengeti National Park’s Lobo area, returning to the green shoots which follow the rains on the short-grass plains of the southern Serengeti in November.

Why Do Wildebeest Migrate?

It is generally believed that the Great Migration in Africa is dictated primarily by the wildebeest’s response to the weather. They move after the rains and the growth of new grass, essentially following a natural instinct to find food to stay alive. Some experts believe that the wildebeest are triggered by distant lightning and thunderstorms, but there is no scientific proof of it.

Planning Your Migration Safari

1. Book Early – At Least a Year in Advance

Lodges and camps fill up fast, especially for a Great Migration safari from June to October. Remember, this is safari’s high season and when the popular river crossings happen, but you can see the herds any time of the year.

2. Arrange Your Timing Carefully

The Migration is a fluid, often unpredictable affair. It’s important to know where to go and when to go on a Wildebeest Migration safari to ensure your expectations are met. Choose and arrange your timing according to what you want to see and experience.

3. Avoid the Crowds

The Masai Mara National Reserve and Serengeti National Park experience high visitor and vehicle numbers during safari’s peak or high season (about June to October). The private conservancies adjoining the Masai Mara offer exclusivity, luxurious accommodation and excellent game viewing in sole-use areas. You’ll also be offered activities not permitted in the main reserve, such as night drives, bush walks and off-road game viewing.

There are camps in the Serengeti that are located a little further away from the Migration hot spots – meaning you can easily get to all the action, but also retreat to tranquility.

4. Diversify Your Game Viewing

A Wildebeest Migration experience can get busy, noisy, smelly, and far removed from a general Big 5 safari. We highly recommend ending at a lodge or camp that’s located away from the herds to enjoy a bit of tranquility and a diverse game viewing experience.

5. Augment Your Migration Safari

The Masai Mara and Serengeti combine easily with each other, and each can also form the focal point of a larger safari itinerary. We recommend combining the Masai Mara with Amboseli and Laikipia, or adding the Ngorongoro Crater, Tarangire and the Rift Valley Lakes to the Serengeti. You can even go further afield and easily add top destinations like:

Uganda, Rwanda or Congo for the world’s best gorilla-trekking experiences.

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