In the Valley of the Wolves is a documentary film about the Druid wolf pack in Yellowstone National Park. The film chronicles a three year span of the pack’s expansion and subsequent decline in size. The film can be viewed in its entirety on PBS Video.

Applications for Education
Nature has some nice educational resources to accompany a classroom viewing of In the Valley of the Wolves. Nature has an interactive map of the areas shown in the film. Nature also offers lesson plans for elementary school use and lesson plans for high school use.

Here are some related items that may be of interest to you:
Wild Earth TV – Live from the African Bush
Nature Event Finder and Observation Reports
Out of the Wild – Exploring Life on Earth