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USGS · 5200241

North American Bird Conservation Initiative: Bird conservation region descriptions, a supplement to the North American Bird Conservation Initiative Bird Conservation Regions Map

U.S. NABCI Committee
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U.S. NABCI Committee. 2000. North American Bird Conservation Initiative: Bird conservation region descriptions, a supplement to the North American Bird Conservation Initiative Bird Conservation Regions Map. https://pubs.usgs.gov/publication/5200241

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