College of Natural Resources: Environmental Science, Policy and Management; Museum of Vertebrate Zoology
Emeritus Professor of Wildlife Biology, Research Conservationist
Yellowstone; Glacier; Sequoia-Kings; Olympic; Noatak (AK); Angel Island State; Shiretoko (Japan); Land of the Leopard (Far East Russia); Kenting; Yushan; and Yangmingshan (Taiwan); Yathong Nature Reserve (Australia); Wolong Nature Reserve (China).
Dale's work in parks includes wildlife conservation and management. As a professor of wildlife he has participated in research in many parks by himself and with graduate students. He is involved in the review of controversies such as National Academy of Sciences Committee reviews of Grizzly Bears in Yellowstone, Brucellosis in bison and elk in Yellowstone, Northern Range Ungulates in Yellowstone, Horses and Burros (in Death Valley and others), and many others. Dale is coauthor of the book "Wildlife policies in the U.S. National Parks", as well as Adviser on management of national parks in Japan and Taiwan, lead editor on the book, "Wildlife in Shiretoko and Yellowstone National Parks", and was the major figure on the deer controversy on Angel Island, and other activities. Although retired since 2004 he continues his research and consulting, mainly in Japan, Taiwan, Australia, and Far East Russia where he studies Amur leopards (most endangered large cat in the world, about 30 left), and Siberian tigers.