Extras
Join Africa’s longest land mammal migration as thousands of zebra journey through Botswana
As the zebras get close, lions and dirt fields await them at the migration site.
Scientists search for clues to the origin of the zebras' urge to migrate.
Join Africa’s longest land mammal migration as thousands of zebra trek through Botswana.
With just 13 days left until they go into labor, this herd still has 180 miles to go.
A hundred thousand caribou migrate thousands of miles through a harsh Arctic wilderness.
The grizzles have just woken up from 6 months of hibernation, and they're starving.
A hundred thousand caribou migrate thousands of miles through a harsh Arctic wilderness.
In open landscape, a bear has a hard time catching caribou - but not humans.
A thousand elephants come together in Kenya at a critical stage of their migration.
Latest Episodes
Join Africa’s longest land mammal migration as thousands of zebra trek through Botswana.
A hundred thousand caribou migrate thousands of miles through a harsh Arctic wilderness.
A thousand elephants come together in Kenya at a critical stage of their migration.