Wildebeest army, Northern Serengeti

The blue wildebeest is a large antelope and one of the two species of wildebeest. It is placed in the genus "Connochaetes" and family Bovidae and has a close taxonomic relationship with the black wildebeest. The blue wildebeest is known to have five subspecies. This broad-shouldered antelope has a muscular, front-heavy appearance, with a distinctive robust muzzle.