Oakland Zoo: American Bison
- Bison bison: Information and photos.
- http://www.oaklandzoo.org/meet_the_animals/american-bison

Bison bonasus - European Bison
- Information and images from Ultimate Ungulate.
- http://www.ultimateungulate.com/Artiodactyla/Bison_bonasus.html

Genus Bison
- Classification and photos of the two species from the Animal Diversity Web.
- http://animaldiversity.ummz.umich.edu/site/accounts/classification/Bison.html

Hinterland Who's Who: North American Bison
- Distribution and population facts on the plains bison (Bison bison bison) and the wood bison (Bison bison athabascae).
- http://www.hww.ca/hww2.asp?pid=1&id=97&cid=8

Buffalo-Bison Information page
- Follows the animals from 1600s up till today. Includes links and news.
- http://www.americanwest.com/bison/buffindx.htm

Center For Bison Studies
- Montana State University-Bozeman. Contains information about research on all aspects of the biology and management of bison. Current arcticles, pictures of the animals, and a bison book list are also included.
- http://www.montana.edu/wwwcbs

The Biogeography of the European Bison (Bison bonasus bonasus)
- Natural history, evolution, distribution, and timeline of the status of the species through the centuries.
- http://www.sfsu.edu/~geog/bholzman/courses/316projects/bison.html

Friends of the Prairie Learning Center
- Information and photos of bison living in their natural habitat, at the Neal Smith National Wildlife Refuge.
- http://www.tallgrass.org/buffalo.html

The Big Zoo
- Facts, photos and videos containing information on diet, habitat, predators, offspring, and the social life of bison
- http://www.thebigzoo.com/Animals/American_bison.asp