Western tanager. Courtesy USFWS.

This feature was first published in the 2009 Wilderness Magazine. To receive the annual magazine and quarterly newsletters from The Wilderness Society, become a member today! Writer David S. Wilcove is a professor of ecology, evolutionary biology, and public affairs at Princeton University and the author of No Way Home: The Decline of the World’s Great Animal Migrations. By David S. Wilcove Read more