Peacock was the subject of a feature film about grizzlies and Vietnam, Peacock’s War, and lectures regularly about wilderness and veterans issues. He lives in Emigrant, Montana, and spends time in the Sonoran Desert, southeast Utah and with the grizzlies of Glacier and Yellowstone national parks. Married to Andrea Peacock, he has two children with whom he visits the wilderness and three cats who share his homes.
Peacock’s books include Grizzly Years: In Search of the American Wilderness (Henry Holt, 1990), ¡Baja! (Bulfinch Press, 1991), Walking It Off: A Veteran’s Chronicle of War and Wilderness (Eastern Washington University Press, 2005), and The Essential Grizzly: The Mingled Fates of Men and Bears (The Lyons Press, 2006) which was co-written with Andrea Peacock. He was named a 2007 Guggenheim Fellow and a Lannan Fellow in 2011 for his work on archeology, climate change and the peopling of North America, published in 2013 as In the Shadow of the Sabertooth: A Renegade Naturalist Considers Global Warming, the First Americans and the Terrible Beasts of the Pleistocene (Counterpunch/AK Press) now out in a revised edition.