Serengeti National Park, in northern Tanzania, is known for its massive annual migration of wildebeest and zebra seeking new pasture, also a world heritage site the herds move north from their breeding grounds in the grassy southern plains. Many cross the marshy western corridor’s crocodile-infested Grumeti River. Others veer northeast to the Lobo Hills, home to black eagles. Over a million wildebeest and about 200,000 zebras flow south from the northern hills to the southern plains for the short rains.The great Migration of the Serengeti is considered one of 'The Ten Wonders of The Natural World’, and one of the best events in Tanzania to witness. A truly awe-inspiring spectacle of life in an expansive.