Soon they were all in the water, this long line of wildebeests ... d see the current take so many of them [wildebeest] downstream—in a single crossing, at least 5,000 died because of the high ...

Wildebeest, also known as gnu ... The single greatest hurdle to the animals during this journey is the Mara River. Crossing points form bottlenecks in which thousands of animals perish through ...

The officers are stationed at all the wildebeest crossing points to ensure that there is no crowding of tour vans at the banks of the river that block the animal route. "The county government led ...