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Publisher: USGS | Science Center: Patuxent Wildlife Research Center (PWRC, Laurel) | Format: URL
www.pwrc.usgs.gov — The North American Bird Phenology Program houses a unique and largely forgotten collection of six million Migration Observer Cards that illuminate migration patterns and population status of birds in North America. These handwritten cards contain almost all of what was known of bird status from the Second World War back to the later part of the More...
Publisher: USGS | Science Center: Alaska Science Center (ASC, Anchorage) | Format: URL
alaska.usgs.gov — This web resource provides information concerning the on-going Research at the USGS Alaska Science Center on birds and avian influenza (bird flu). The site links to quick facts, on-going research, workshop results, monitoring and surveillance, guidelines on how to safeguard against avian influenza, publications and reports, migratory bird More...
Publisher: Other (Society of Environmental Toxicology and Chemistry (SETAC)) | Format: .PDF
www.pwrc.usgs.gov — From the abstract: Environmental contaminants can have profound effects on birds, acting from the molecular through population levels of biological organization. An analysis of potential contaminant threats was undertaken at 52 Important Bird Areas (IBAs) within the northeastern Atlantic coast drainage. Using geographic information system More...
U.S. Department of the Interior |
U.S. Geological Survey