Watch the Arctic, locked in darkness for nearly seven months, spring to life once the sun rises. Stunning footage displays the migration, hibernation, and complex food web of the region’s most iconic wildlife.

When scientists wanted to simulate living conditions on Mars, they chose Devon Island, the largest uninhabited island in the world. Darkness dominates this remote wilderness, where polar bears and seals are locked in a deadly struggle.

Fall descends along the shores of Nunavik’s Ungava Bay. Long summer days become short, and the tundra erupts in a blaze of red, orange, yellow, and purple, signalling to ptarmigan and other wildlife that they must fatten up for the hardship ahead.

On the north-east coast of Baffin Island lies Ninginganiq, a blustery wilderness where only the intrepid travel. Among those visitors are the bowhead whales that gather to socialize in the storm-ravaged seas, creating a rarely seen spectacle.