Just north of the great Serengeti wildebeest migration, a smaller migration across the Mara ecosystem is collapsing. New maps published in the Atlas of Ungulate Migration reveal the dramatic impact of ...

New fences across ancient routes have blocked wildebeest herds from their annual migration to reach fresh grazing land. Wildebeest population size is linked to the ability to migrate for food and ...

Wildebeest migration has shrunk by 90% in Kenya’s Maasai Mara due to fences being built, reveals new research. The annual spectacle – a magnet for eco tourists – has seen a “dramatic” decline over the ...

Wildebeest migration has shrunk by 90% in Kenya's Maasai Mara due to fences being built, reveals new research. The annual spectacle - a magnet for eco tourists - has seen a "dramatic" decline over the ...

Add Yahoo as a preferred source to see more of our stories on Google. Wildebeest crossing the Mara River during the annual great migration. Every year millions will make the dangerous crossing when ...