Archaeology@ Astronomy Biodiversity@ Birding@ Canada@ Caribbean@ Geological Surveys@ Government Agencies@ Great Lakes Region@

Greenland@ Mexico@ Paleontology@ Scientific Institutions@ US-Mexico Border@ United States@ Weather@ Wildlife@ Zoos and Aquariums@

» Butterflies and Moths of North America    Searchable database of records in the United States and Mexico. Includes distribution maps of counties in which occurrence of particular species has been verified, accounts, checklists and photographs.    http://www.butterfliesandmoths.org/

» North American Waterfowl Population Surveys    Information about U.S.-Canada-Mexico cooperative efforts to monitor populations and breeding habitats for ducks, geese and swans.    http://waterfowlsurveys.fws.gov/

» United Plant Savers    Works to protect native medicinal plants of the United States and Canada and their native habitat while ensuring an abundant renewable supply of medicinal plants for future generations. Forum and newsletters.    http://unitedplantsavers.org/