The Office of Environmental Quality Control (OEQC) recently posted a collection of native and invasive species flash cards on its web site.
According to the Bishop Museum, there are more endangered species per square mile in the Hawaiian islands than any other place on the planet. For example, of the more than 140 Hawaiian bird species and subspecies present in the Hawaiian islands prior to human contact, more than half have been lost to extinction. Among the remaining 71 endemic bird species, 30 are federally listed as endangered. See The Hawaiian Endangered Bird Conservation Program Five-Year Workplan (2001 – 2005). A list of Hawaii's endangered and threatened species can be found at Bishop Museum's Hawaii's Endangered and Threatened Species Web Site.
For a discussion of the Hawaii and federal endangered species acts, see Endangered Species Act.