Cavy Rescue: Features guides, links and e-newsletters for various rodents.
Degus and Chinchillas Ring: Webring for sites about degus or chinchillas.
Eva's Rodent Reference: Advice from an enthusiast on the care and breeding of popular rodents, including guinea pigs, rats and mice.
NetVet - Rodents: Compilation of resources.
The Pet Rodent Homepage: Basic description of several common species, general care and information, and genetics.
The Rodent Weekly: The world's largest newspaper written by and for rodents -- receives no government subsidies whatsoever.