Remember: World Wide Web resources have a tendency to be here today and gone tomorrow. This list presents a number of sites that we recommend to be reliable and stable. More information on evaluating Web sites can be found here.

Department of Systematic Biology, National Museum of Natural History, Smithsonian Institution

• Databases, programs, and bibliographies in Natural History.

The Envirolink Network

• A clearinghouse of all environmental information available on the Internet and a complete list of  businesses on the Internet that have passed a stringent screening process of their social responsibility.
  

ipL2 (Librarian's Index to the Internet)

• An academic directory and search engine developed by librarian's. All sites are reviewed and analyzed by Library of Congress Subject Headings.

NBII: National Biological Information Infrastructure

• A government sponsored collaborative program that provides access to biological data and information on the United States biological resources.
  

Science.gov: Biology & Nature

Scirus

• A search engine that searches the web for scientific information, science journals and science oriented web sites.

Tisch Library: Research Guides by Subject: Biology: Web Sites

• Recommended academic, professional, and learned socities sites, and more.