Small Mammal Links:
Mouse:
http://www.rodentfancy.com/
-- Rodent Fancy
http://www.rmca.org/
-- Rat and Mouse Club of America
http://www.afrma.org/
-- American Fancy Rat and Mouse Society
Hamsters:
http://www.hamsterhouse.com/
-- Hamster House
http://www.hamstersblog.com/
http://www.hamsterific.com/
Rats:
http://www.rodentfancy.com/
-- Rodent Fancy
http://www.rmca.org/
-- Rat and Mouse Club of America
http://www.afrma.org/
-- American Fancy Rat and Mouse Society
Gerbils:
http://www.gerbils.co.uk/
-- National Gerbil Society (UK)
http://www.agsgerbils.org/
-- American Gerbil Society
Guinea Pigs:
http://www.caviesgalore.com/
-- Cavies
Galore.
Chinchillas:
http://www.chinchillaplanet.com/
http://www.cachins.org/ -- California Chins
http://www.cheekychinchillas.com/ -- Cheeky Chinchillas
http://www.chincare.com/
Ferrets:
http://www.ferrets.org/Ferrets_As_Pets.htm
Rabbits:
http://www.rabbit.org/faq/sections/litter.html
- Litterbox Training for Rabbits
http://www.rabbit.org/journal/3-3/age-related-behavior.html
- Age Related Behavior in Rabbits.
http://www.rabbit.org/faq/sections/chewing.html
- Chewing Behavior in rabbits FAQ.