April 8, 2003: Karsten Heuer + Leanne Allison left the remote community of Old Crow,Yukon, to join the Porcupine Caribou Herd on their epic life journey. For 5 months the Canadians migrated on foot with the 123,000-member herd from wintering … Leanne Allison, Karsten Heuer, James Itzi, Peter Josie, Randall Tetlichi Added on Amazon Prime 2023-03-26.