Opossum Society of the United States - Non-profit wildlife rehabilitation and educational organization dedicated to providing care for injured and orphaned wild opossums. Anderson's Mouse Opossum (Marmosa andersoni) - Fact sheet from EDGE, a conservation organization that focuses specifically on threatened species that represent a significant amount of unique evolutionary history. Gracile Mouse Opossum (Gracilinanus aceramarcae) - Fact sheet from EDGE, a conservation organization that focuses specifically on threatened species that represent a significant amount of unique evolutionary history. Handley's Slender Mouse Opossum (Marmosops handleyi) - Information on this critically endangered species. Bushy-tailed Opossum (Glironia venusta) - Information on this endangered species from South America. Opossum: Our Marvelous Marsupial, the Social Loner - Article by Erika Yery providing a personal look at the opossum. Virginia Opossum (Didelphis virginiana) - Description, photograph, distribution and habits, from the Mammals of Texas. Bushy-tailed Opossum: Glironia venusta - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Patagonian Opossum: Lestodelphys halli - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Shrewish Short-tailed Opossum: Monodelphis sorex - Factsheet from ARKive with photograph, description, range, habitat, biology and conservation. Living with Wildlife: Opossums - The Washington Department of Fish and Wildlife provides information on the Virginia opossum and its interactions with humans.