State of the Birds 2011- Report on Public Lands and Waters

This report provides the nation's first assessment of the distribution of birds on public lands and helps public agencies to identify which species have significant cause for conservation in each habitat type. The report assessed the distribution of birds on nearly 850 million acres of public land and 3.5 million square miles of ocean and presents a wide variety of bird habitats including arid lands, oceans and coasts, forests, arctic and alpine, islands, wetlands, and grasslands.

To determine the percentage of each species’ U.S. distribution on public lands combined bird distribution data was analyzed from the eBird citizen-science project and the the first comprehensive database of public land ownership - the Protected Areas Database of the U.S. In addition to species distribution data, qualitative analysis for birds on coasts, oceans and wetlands are provided.

The analysis identified lands managed by the Bureau of Land Management, Department of Defense, U.S. Fish and Wildlife Service, U.S. Forest Service, National Park Service, other federal agencies, and state agencies. The report highlights these public agencies and their roles in avian conservation with specific stewardship obligations and conservation activities provided for each responsible agency. It suggests that all agencies must address long-term effects of climate change, including implementation of adaptation strategies and creation of corridors to connect public lands that serve as refuge for vulnerable species.

The vulnerability of birds to climate change was first detailed in the 'State of the Birds 2010 Report.' The comprehensive 'Audubon Birds and Climate Change' report was released in 2014, presenting the results of a seven year study on the potential impact of climate change on 588 North American bird species.

Publication Date: May 3, 2011

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