The 2011 State of the Birds Report, a report by the U.S. Department of the Interior (DOI), provides important data about American bird populations on lands and waters owned by the American people.
The findings indicate that publicly owned habitats support at least half of the entire U.S. distributions of more than 300 bird species. The report concludes that America’s public lands and waters, ranging from national wildlife refuges to national parks to national forests, offer significant opportunities to halt or reverse the decline of many species.
According to DOI, more than 1,000 bird species inhabit the U.S., 251 of which are federally threatened, endangered, or of conservation concern. The report provides a scientific tool to help public agencies identify the most significant conservation opportunities in each habitat.
The report assessed the distribution of birds on nearly 850 million acres of public land and 3.5 million square miles of ocean. It relied on high-performance computing techniques to generate detailed bird distribution maps based on citizen-science data reported to eBird and informationfrom the U.S. Geological Survey’s Protected Areas Database of the United States.
The 2011 State of the Birds report is a collaborative effort as part of the U.S. North American Bird Conservation Initiative, involving federal and state wildlife agencies, and scientific and conservation organizations.
These include the American Bird Conservancy, the Association of Fish and Wildlife Agencies, the Bureau of Land Management, the Cornell Lab of Ornithology, the Department of Defense, the National Audubon Society, The Nature Conservancy, the National Park Service, the U.S.D.A. Forest Service, the U.S. Fish and Wildlife Service, and the U.S. Geological Survey.
The full report is available at www.stateofthebirds.org