Opossum Facts
- Short list of facts about the only native North American marsupial, the Virginia opossum.
- http://www.opossum.org/facts.htm

Virginia Opossum
- History, location, habitat, description, behavior, and reproduction.
- http://www.americazoo.com/goto/index/mammals/4.htm

The 'Possum Pages
- Information about the North American opossum with facts, humor, a quiz and photos.
- http://www.kiva.net/~kiwi/opossum/opossum.htm

Animal Tracks - Opossum (Didelphis virginiana)
- Diagrams and photos of tracks, basic facts, personal notes, and information about opossum babies.
- http://www.bear-tracker.com/opossum.html

Opossum
- Photos, classification, and basic facts.
- http://kaweahoaks.com/html/opossum.htm

Natureworks
- Detailed description including photographs, range, habitat, diet, and behavior.
- http://www.nhptv.org/natureworks/opossum.htm