Chasing Caribou Across a Changing Arctic


PhD student recounts summer following caribou to understand how the migratory animals interact with their environment.

I spent my summer searching for arctic spirits: barren-ground caribou who are, somehow, both omnipresent and elusive. My journey, it turns out, would trace the migration route of the Porcupine caribou herd, linking boreal forest and arctic tundra ecosystems unlike any other northern mammal. The wild landscape I traveled forms the northern extent of the North American Cordillera, one of the last intact mountain ecosystems on Earth.

As I prepared, gathering groceries and loading the truck with scientific equipment and camping supplies, I heard whispers of the entire Porcupine herd moving southeast through the Richardson Mountains. Our small research team drove hurriedly north – hoping for a (figurative) collision course with hundreds of thousands of caribou at the Yukon/Northwest Territories border.

Anticipation ran high, but the border was eerily quiet. A gentle breeze blew and the sun shone through thin clouds. We climbed mountain after mountain, rocks clattering underfoot, to scan the horizon. Looking, hoping, wishing, we even tried to conjure up caribou in our minds to fill the vacant tundra. But the landscape remained still and the disappointment palpable.

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