Seen from the air, they ripple across the landscape — a river of antelope racing across the ... million wildebeests surveyed last year in the Serengeti straddling Tanzania and Kenya.

She is smart, but cautious, as she knows the dangers of the Serengeti better than anyone. Along with wildebeest and other antelope, zebras embark on an extraordinary annual 1,800-mile migration ...

The Great Nile Migration in South Sudan is the largest overland mammal migration on Earth, surpassing even the famous ...