David Moskowitz works in the fields of photography, wildlife biology and education. He is the photographer and author of three books: Caribou Rainforest, Wildlife of the Pacific Northwest and Wolves in the Land of Salmon and co-author and photographer of Peterson’s Field Guide to North American Bird Nests. He has contributed his technical expertise to a wide variety of wildlife studies regionally and in the Canadian and U.S. Rocky mountains, focusing on using tracking and other non-invasive methods to study wildlife ecology and promote conservation. He helped establish the Cascade Citizen Wildlife Monitoring Project, a citizen science effort to search for and monitor rare and sensitive wildlife in the Cascades and other Northwest wildlands.  David is certified as a Track and Sign Specialist, Trailing Specialist, and Senior Tracker and will be presenting a tracking course at Wenatchee River Institute later in the weekend.