In the Maasai Mara, Kenya, on March 4, a lion narrowly escaped a crocodile attack while swimming across a river.

Deadly migration moment: The Mara River crossing during the Great Migration kills thousands of wildebeest annually due to predators, currents, and chaos. Ecosystem impact: Mass drownings contribute ...

Tourists are taking photos during the Great Migration at the Kogatende crossing point on the Mara River in the Serengeti National Park, Tanzania on July 21. "I have seen over 100 crossings during my ...