Smithsonian Journeys Experts
David Wimpfheimer is a biologist, professional naturalist and guide with a passion for natural history of the West and a special interest in birds. During over thirty years of educational travel and scientific field work, he has imparted a great deal of information about all aspects of nature, from treks into the extreme and fragile beauty of Death Valley to whale-watching expeditions in Baja to wildflower forays in Yosemite and the Great Northwest. David takes great pleasure in showing participants nature's unpredictability, like an unexpected and unique bird behavior; or a hunting bobcat or meandering coyote, or labeling and describing trees, lichen, fungi and even paw prints that may be in your path. David is passionate about our natural world and takes great pleasure in educating all about the wonders of nature.