“Aurora: Heaven’s Streetlights”


Jim is a scientist and educator whose background is mammalogy and ecology including polar, alpine, long-term specialties.  He is president of A Naturalist’s World, an ecological education company.  He annually leads educational expeditions to the Arctic and has conducted aurora photography class during the last three solar cycle maximums.

Since 1961, Jim has taught outdoor education and environmental programs for state, federal, and private organizations including among others Aspen Center for Environmental Sciences, Audubon, Colorado Outward Bound School, National Outdoor Leadership School, National Wildlife Federation, Nature Conservancy, Sierra Club, Smithsonian, Teton Science School, Wilderness Society, Yellowstone Institute, various Universities and state wildlife agencies, and Rocky Mountain, Grand Teton, Yellowstone, and Glacier National Parks.

Jim has conducted research and led expeditions to the four corners of the world including both polar regions, the deserts and mountains of China and Africa, and the forests of the tropics. Jim is a member of the Explorer’s Club and a Vietnam Veteran.

Jim is author of many books, articles, and videos including: Charting Yellowstone Wolves: 25th AnniversaryYellowstone Wolves in the Wild, Yellowstone Bears in the Wild, A Field Guide To Mammal Tracking in North America, the Scats & Tracks regional series, Snow Tracking, Winter: An Ecological Handbook, Discovering Yellowstone Wolves, Living with Ice Bears, A Celebration of Bears and Tracking Elk for Hunters.

His writing, photographs, and classes have been featured in Backpacker, BEARS Magazine, College Science Teacher, Colorado Outdoors, Field and Stream, Natural History, New York Times, Outdoor Photographer, Outside Magazine, Ranger Rick, Science World, Sierra, Sports Afield, Summit, and Wyoming Wildlife.

Jim resides with his partner Diann in the Greater Yellowstone Ecosystem where they spend as much time in the field as is possible, especially on cross-country skis.

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Preserve. Protect. Educate.