We gratefully thank the people below who reviewed sections of this guide:

• Brad Andres (U.S. Fish and Wildlife Service)
• Jon Bart (U.S. Geological Survey)
• David Buehler (University of Tennessee)
• Courtney Conway (Arizona Cooperative Fish and Wildlife Research Unit)
• Dave DeSante (Institute for Bird Populations)
• Tim Jones (U.S. Fish and Wildlife Service)
• Christine Kelly (North Carolina Wildlife Resources Commission)
• Phil Knott (Institute for Bird Populations)
• Melinda Knutson (U.S. Fish and Wildlife Service)
• Dan Lambert (former American Bird Conservancy)
• Chris Lituma (University of Tennessee)
• Jason Martin (Cornell Lab of Ornithology)
• Dan Niven (National Audubon Society)
• Keith Pardieck (U.S. Geological Survey)
• C.J. Ralph (U.S. Forest Service)
• Leo Salas (PRBO Conservation Science)
• John Sauer (U.S. Geological Survey)
• Judith Scarl (Vermont Center for Ecostudies)
• Mark Seamans (U.S. Fish and Wildlife Service)
• Cliff Shackelford (Texas Parks and Wildlife Department)
• John Stanton (U.S. Fish and Wildlife Service)
• Rob Sparks (Rocky Mountain Bird Observatory)
• Alexis Thomas (University of Florida GeoPlan Center)
• Mike Wilson (Center for Conservation Biology, College of William & Mary and Virginia Commonwealth University)