Allegheny Front Hawk Watch
Bear Divide Migration Count
Braddock Bay Raptor Research
Denver Field Ornithologists
Derby Hill Bird Observatory
Ecovida-Aetos HawkWatch
Hawk Mountain Sanctuary
HawkWatch International
Keweenaw Bird Research Group
Mackinac Straits Raptor Watch
Rocky Mountain Eagle Research Foundation
The Nature Conservancy Volgenau Virginia Coast Reserve
Tropicos Colombia
Whitefish Point Bird Observatory