This web site hosts information about species and ecosystems of the Western Hemisphere, including several types of biodiversity data.
Data Location: http://www.natureserve.org/getData/index.jsp
Data Available: species, location, conservation status, commonness/rareness, spatial data
Comments: This web site compiles data from a number of different programs, including: NatureServe Explorer; InfoNatura; Web Services for Application Developers; Local Program Data; Global Amphibian Assessment; Ecology Data (United States, Latin America, Wetlands, Integrity Assessments); Animal Data (Distribution Maps of birds,amphiians, mammals, & fishes); & Plant Data (Invasive Species). Custom Data Services are also avilable.