Name your Palette: Description: Yellowstone Wolf Tracker arranges custom single and multiple-day wildlife watching excursions, year-round with national park service approved providers, The Wild Side, LLC. Our guides are very experienced wildlife biologists who have been tracking and observing wolves since reintroduction in 1995. They combine natural and cultural history, scientific investigation, conservation advocacy, film documentary, and extensive on-the-ground experience. http://www.wolftracker.com