Tuesday, June 10, 2014

Best Time to see Wildebeest Migration

January / February / March - During the period January through March the seemingly unending short grass plains of the southern Serengeti, and the Ngorongoro Conservation Area (not the Ngorongoro Crater), are inhabited by enormous herds of wildebeest and zebra. Pregnant female wildebeest are attracted to the calcium and magnesium rich grass which is good for milk production. Calving occurs late January through mid March when over 80% of the female wildebeest give birth over a period of a few weeks. An estimated 400,000 wildebeest calves are born during this period.
As things dry up throughout March the herds might split into smaller groups focused on areas with the best conditions. In late March the long rains begin.
April / May – From late March through early May Tanzania’s long rains are in full effect with regular downpours. It is considered off season for wildlife viewing and many lodges and camps close down. Grass can grow past the roof of your Land Rover and roads are often impassable.We do not advise traveling during April or May.
June – By early June things are drying up. The herds continue westwards, towards the Grumeti River. The riverine forest harbors plentiful buffalo and elephant, while there are many hippo and huge, hungry crocodiles in the river waiting for the wildebeest as they come to drink.

July / August / September / October:  The wildebeest rapidly deplete the grass and water in the Western Corridor and Grumeti and start to move on. The migration may still be found in the Singita Grumeti Reserve during July but the odds become slimmer as you move through the month. In a typical year the migration can be spread over huge distances, with the first zebra herds arriving in the northern Serengeti by early July and big herds of wildebeest following later in the month. In a dry year, the first wildebeest could be near the Mara River (the only decent permanent water in the eco-system) by early July; in a wet year, by mid-August. If conditions are very good, i.e. there is plenty of grass and water, the herds will be spread out all the way from Seronera to the Mara River.
Typically from late July to mid October the wildebeest reside in the northern Serengeti and Masai Mara. The dry season is well under way and the herds congregate near water, especially the Mara River filled with hungry crocs.
In terms of timing I would shoot for late August through late September to maximize my changes of seeing a river crossing… of course crossings, and recrossings, occur before and after this time period. The areas that the wildebeest cover are vast and finding a group on the brink of crossing is not a given. Crossing are often elusive, rapid experiences.
Mid to late October dramatic thunder clouds herald the onset of the short rains and call the migration southward. Wherever rains fall the change is dramatic with thousands of animals arriving almost overnight.

November / December As the rains continue during November the herds move south and east. Heading into December long lines of wildebeest can be seen moving back to the southern Serengeti and its short, rich grasses. The circle of life is complete as they begin to arrive late December into early January. Elsewhere in the Serengeti the grass grows fast and tall making wildlife viewing more difficult. We do not advise traveling at this time of year.

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