Vultures of the World: Essential Ecology and Conservation - Keith L. Bildstein

Keith L. Bildstein is the former Sarkis Acopian Director of Conservation Science at Hawk Mountain Sanctuary. He is the author of Raptors , Migrating Raptors of the World , and White Ibis and coauthor of Raptor Migration Watch-Site Manual and Raptor Watch . He is also coeditor of many books, including State of North America's Birds of Prey .