PDF) Descriptions of Wolf Attacks on Bison Calves in Wood Buffalo National Park
Photograph of a Wolf Pack Explains 'Alpha' Behavior? - Truth or Fiction?
Watch: Baby bison's narrow escape from a pack of wolves on the hunt | Predator vs Prey | Earth Touch News
NATURE: Cold Warriors: Wolves And Buffalo | KPBS Public Media
Minden Pictures - Canadian timber wolf / Northwestern wolf (Canis lupus occidentalis) pack moving through snow, Wood Buffalo National Park, Alberta, Canada. Taken on location for BBC Frozen Planet, March 2009.
Wood Buffalo is a big park. No bull. | Spectacular Northwest Territories
Yellowstone Wolf Facts (U.S. National Park Service)