Rhino Resource Center
- Provides a searchable database of information on the rhinoceros and is dedicated to the dissemination of knowledge on the five endangered species.
- http://www.rhinoresourcecenter.com/

Save the Rhino International
- This organisation works to conserve genetically viable populations of endangered rhinoceros species in the wild by funding conservation projects in Africa and Asia.
- http://www.savetherhino.org/Index.htm

The Rhino Guide
- Contains information on the remaining five species of Rhinoceros: Javan, Indian, Sumatran, White and Black.
- http://www.therhinoguide.com/

Eastern Black Rhinoceros (Diceros bicornis michgeli)
- Includes photo and facts about the range, status, habitat, niche, life history, and special adaptations of this mammal.
- http://www.lpzoo.org/animals/factsheet.php?contentID=193

Indian Rhinoceros (Rhinoceros unicornis)
- Narrative on this species from the University of Michigan. Includes photos.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Rhinoceros_unicornis.html

White Rhino EEP
- Provides information about the European Endangered Species Breeding Programm for the White Rhinoceros.
- http://www.wreep.net/

SOS Rhino
- Provides funds and technical assistance for in-situ and ex-situ research, education, public awareness, and endeavors directed to secure the survival of the rhinoceros. Includes program details, multimedia, and research updates.
- http://www.sosrhino.org/

Greater Indian Rhinoceros (Rhinoceros unicornis)
- Includes facts, photos, and a video of this mammal.
- http://www.thebigzoo.com/Animals/Greater_Indian_Rhinoceros.asp

Black Rhinoceros - Ecobeetle
- Facts and conservation links.
- http://www.ecobeetle.com/rhino.htm

White Rhinoceros (Ceratotherium simum)
- Includes photos, videos and information about diet, habitat, predators, offspring, social life, intelligence, senses, weight, height and life span.
- http://www.thebigzoo.com/Animals/White_Rhinoceros.asp

Black Rhinoceros
- History, biology, causes of endangerment, and conservation efforts. Includes a photo.
- http://www.bagheera.com/inthewild/van_anim_rhino.htm