Longest terrestrial animal migration
Who
Grant's caribou (Rangifer tarandus granti)
What
4800 kilometre(s)
Where
Canada (Alaska)
When

The farthest distance travelled by a migrating land animal belongs to Grant's caribou (Rangifer tarandus granti) of Alaska and the Yukon Territory of North America, which travel up to 4,800 km (2,982 miles) per year.

The herd are also known as porcupine caribou.

Pic: Alamy