Excitement is in the air: when will they arrive? The annual migration of wildebeest and zebra, one of nature’s wonders, is on its way to Masai Mara. Their actual arrival is unpredictable, a secret only known to nature’s instinct. But soon the Mara plains are filled with millions of wildebeest and zebra. The sight of them anxiously crossing the Mara river and other waters is the highlight of the Kenyan safari season.