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Arctic Foxes Compete with Red Foxes

Season 1 Episode 4 | 3m 19s

As the climate warms, the boreal forest is advancing further north. With the tree line comes the red fox a competitor of the high Arctic specialist, the Arctic fox. The trees advances aren't just a problem for the Arctic foxes but for the planet as a whole, the darker tree cover absorbs more heat and decrease the albedo effect which further warms the planet, causing the cycle to start again.

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.
Reindeer are playing a crucial role in preserving the tundra by eating forest vegetation.
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.