"Keith L. Bildstein has studied migrating raptors on four continents and directs the conservation science program at Hawk Mountain Sanctuary, Pennsylvania, the

Raptors, including hawks, eagles, falcons, and owls, are wide-ranging, land-based predators found across a broad range of habitats on six continents. Most rapto

New York Times Bestseller Finalist for the Los Angeles Times Book Prize A Library Journal Best Science and Technology Book of the Year An exhilarating explorati

Given their roles in the ecosystem, raptors are widely considered the flagship or umbrella species among birds. Most species undertake a seasonal journey that i

Plates 1-3 illustrate representatives, in flight, of all 78 genera, grouped by size and zoogeographical regions.".