Woodland Caribou: On the Heels of the Predators

In episode 4 Frankie flies north to join research scientist Dr. Brent Patterson on a quest to locate dropped radio collars that he used to monitor wolves in the Nakina, Ontario region. After battling mosquitoes, Tanner skypes with Dr. David Beresford, an entomologist, who introduces him to the variety of micro predators that torment and sometimes even kill caribou.