A captive gray wolf howls at the International Wolf Center in Ely, Minnesota.
Wild gray wolves howl in Yellowstone’s Lamar Valley. (ChiefJoseph Pack)
Wild gray wolves howl in Yellowstone’s Lamar Valley. (Members of the Chief Joseph pack.)
Wild wolves signal each other by howling in Yellowstone’s Lamar Valley. (Chief Joseph pack)
Joel is a popular keynote speaker with conservation, corporate, and civic groups.
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