The annual animal migration of over 1.5 million wildest and over 300,000 other antelopes in Tanzania and Kenya are involved in the greatest animal show on earth. The moving migrating wild animals blanket the African landscape as far as your eye sight can go. Over two million animals migrate every year. In July each year the animals cross the crocodile infected Grumeti River in Tanzania and Mara River in Kenya in which many animals drown and the crocodiles take advantage of their suffering. The animals head back to Serengeti plains in Tanzania in November /December every year to have their young.