Mexico Biospeleology - Reports from field investigations of biology in the underwater caves of northern Mexico. Biospeleology - Illinois Natural History Survey web site. Within caves a diverse biota may be found, exhibiting varying degrees of adaptation to the subterranean environment. Information and links about cave habitats and fauna, as well as cave protection and related topics. Anchialine Caves and Cave Fauna - Research on the diversity, significance and distribution of cave animals in anchialine caves -- coastal caves formed in limestone or volcanic rock and flooded with seawater. Caving Canada: Biospeleology in Canada and on the WWW - Includes a directory of biospeleology researchers worldwide, Canadian cave biology directory, and many internet links. Groundwater Biology - Exhaustive collection of information about groundwater and cave biology. Checklist and bibliography for most taxa, distribution maps, images and useful links. Updated regularly. Cave Biology - Dr Jayant Biswas describes his research into biospeleology, the branch of science that deals with the study of cave organisms, and provides a forum, image gallery and newsletter. Island Karst Research - Studies of bats and other cave biota on Vancouver Island, British Columbia, Canada.