Ursidae

International Association for Bear Research and Management - A non-profit organization of biologists and others working with bears. Site has bear descriptions by species.
http://www.bearbiology.com/

Bear Planet - Provides information on bears and fact sheets on a number of species.
http://www.bearplanet.org

Asiatic Black Bear: Selenarctos thibetanus - A description of this species found in southern Asia, and information on its habitat and diet.
http://www.bears.org/animals/asiatic

AnimalWeb - Site introduces taxonomy terms and has a definition for each (phylum, sub-phylum, class, order, family and species); under the Ursidea (bear) family a page for each species is provided.
http://www.animalweb.com/animalworld/family-ursidae.asp

Bears of the World - Social behavior, habitat, breeding, and endangerment of the eight species of bears.
http://www.bearsoftheworld.net

Bear - Information on the Bear family and its members, including their physical attributes, habitats, behavior, classification, evolution, and the occurrence of bears in mythology.
http://ww.vindia.net/b/Bear.asp

Bear Research, Education, and Conservation Program - Washington State University site on bear research and management.
http://www.natural-resources.wsu.edu/research/bear-center/

Bear Trust International - General information, habitat conservation and education projects.
http://www.beartrust.org/

Bear Taxon Advisory Group Educational Site - Official website of the AZA's conservation subcommittee for the conservation of bears, with information about the eight species of bears.
http://www.bearden.org