Earth's Greatest Animal Migrations

Across mountains, deserts, oceans and frozen landscapes, animals undertake epic migrations in search of food, safety and the chance to breed. For some, every mile is a matter of life and death...


00:00 - The 13,000 km Adélie Penguin trek
02:55 - 100 million Monarch Butterflies on the move
05:52 - 50 million Red Crabs march to the sea
09:08 - Cranes brave the Himalayas & Eagle ambush
15:15 - 10 Million Fruit Bats converge on Africa
19:22 - The mystery of the Kalahari Zebra migration
26:26 - The spawning Trout river run
30:26 - Elephant herds on the move: orphan calf finds hope
34:45 - The deadly Arctic Caribou spring migration