Colaboradores
North American Bird Conservation Initiative: U.S. 
North American Bird Conservation Initiative: Canada North American Bird Conservation Initiative: Mexico American Bird Conservancy American Birding Association Association of Fish & Wildlife Agencies National Audubon Society Biodiversity Research Institute Bird Conservancy of the Rockies Bird Studies Canada Bureau of Land Management Canadian Cattlemen’s Association Canadian Electricity Association Canadian Shorebird Conservation Plan Canadian Wildlife Directors Committee CIPAMEX CONABIO Conservación de Islas Cornell Lab of Ornithology U.S. Department of Defense Ducks Unlimited Ducks Unlimited: Canada Environment & Climate Change Canada Environment for the Americas The Forest Products Association of Canada Institute for Bird Populations Klamath Bird Observatory Manomet Migratory Bird Joint Ventures Migratory Bird Treaty Centennial Mining Association of Canada National Flyway Council U.S. National Park Service Nature Canada Nature Conservancy of Canada North American Waterfowl Management Plan Partners In Flight Pro Natura Smithsonian Institution The Nature Conservancy U.S. Department of Agriculture U.S. Fish & Wildlife Service U.S. Forest Service U.S. Geological Survey U.S. Shorebird Conservation Plan Waterbird Conservation for the Americas Wildlife Habitat Canada Wildlife Society Wings Over Water
