Each year, roughly 1.5 million wildebeest, along with hundreds of thousands of zebra and gazelle, migrate in a continuous circuit across Tanzania's Serengeti ecosystem and into Kenya's Maasai Mara in search of grazing and water. It is widely regarded as the largest overland migration of mammals on Earth.
Record no. MRB-2026-005981
World's Largest Terrestrial Mammal Migration
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.