Additional
Information: Ursidae, the Bear Family, is divided into three subfamilies, Ursinae (black bears, brown bears, polar
bears, sloth bears, and sun bears), Tremarctinae (spectacled bears), and Ailuropodinae (giant pandas).
Bear Taxon Advisory Group Educational Site 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. (Ursidae) http://www.bearden.org
Bear Trust International Bear Trust International: General information, habitat conservation and education projects. (Ursidae) http://www.beartrust.org/
Bear Research, Education, and Conservation Program Bear Research, Education, and Conservation Program: Washington State University site on bear research and management. (Ursidae) http://www.natural-resources.wsu.edu/research/bear-center/
AnimalWeb 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. (Ursidae) http://www.animalweb.com/animalworld/family-ursidae.asp
International Association for Bear Research and Management International Association for Bear Research and Management: A non-profit organization of biologists and others working with bears. Site has bear descriptions by species. (Ursidae) http://www.bearbiology.com./
Additional
Information: Ursidae, the Bear Family, is divided into three subfamilies, Ursinae (black bears, brown bears, polar
bears, sloth bears, and sun bears), Tremarctinae (spectacled bears), and Ailuropodinae (giant pandas). 
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