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Preserving the Tundra with Reindeer

Season 1 Episode 4 | 7m 37s

Reindeer are playing a crucial role in preserving the tundra. As the Sápmi winters are getting warmer and wetter, the lichen and grass reindeer rely on are frozen over. Sámi reindeer herders like Nils are guiding these animals to forests to eat shrubs and branches.

Extras
A momentous occasion as a new Buffalo herd are returned to the Fort Peck Reservation.
Plants are reacting to our changing climate so scientists are looking to soil for answers.
Wildebeest numbers rose after eradicating rinderpest. The Serengeti ecosystem rebounded.
Forgotten and overlooked, grasslands could hold the key to our planet’s survival.
billy barr tells us the lilies emergence is out of sync with the hummingbirds arrival.
Red foxes are moving further north following the encroachment of the tree line.
At the planet’s frozen extremes, animals can reveal the changes taking place.
The ibex are Israel’s newest big city resident with rising desert temperatures.
Mylene finds that when temperatures rise, zebra finches can sing to their unhatched eggs.
In the Gobi Desert, Adiya Yadamsuren tracks a wild camel to a water hole.
Forgotten and overlooked, grasslands could hold the key to our planet’s survival.
Ice
At the planet’s frozen extremes, animals can reveal the changes taking place.
In the hottest places, species are going to extraordinary lengths to survive.
Remarkable island wildlife reveals insights into our rapidly changing planet.
Animals have a surprising story to tell about our rapidly changing planet.