By Katie Orndahl /YUKON AND NORTHWEST TERRITORIES, CANADA/ 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 …
Chasing Caribou Across a Changing Arctic











