Yellowstone Wolf Facts (U.S. National Park Service)
Photograph of a Wolf Pack Explains 'Alpha' Behavior? - Truth or Fiction?
Learning Leadership Through Nature: The Wolf Pack - Mae Polzine
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.
NATURE: Cold Warriors: Wolves And Buffalo | KPBS Public Media
Watch: Baby bison's narrow escape from a pack of wolves on the hunt | Predator vs Prey | Earth Touch News
What is the biggest wolf breed? - Quora
According To This Viral Post, The Weakest Wolves Lead Their Pack. Here's The Truth - Factcrescendo Sri Lanka - English
NATURE: Cold Warriors: Wolves And Buffalo | KPBS Public Media
White Wolf : 25 Wolves Chase Down Bison: One Of The Largest Wolf Packs Ever Filmed.