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Top : Science : Environment : Biodiversity : Regional : North_America
  		• Canada
  		• Mexico
  		• United States
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    Sites:
  		• Biota of North America Program: Program whose goal is to develop a unified digital system for assessing the North American biota. Descriptions of projects and the Synthesis of the North American Flora CD-ROM.
  		• North American Breeding Bird Survey: Results and analysis of an annual program of bird surveys designed to provide a continent-wide perspective of population change.
  		• Wildlands Project Revealed: Campaign to set aside approximately 50% of the North American continent for the preservation of biological diversity.
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