Useful Rat Links

American Fancy Rat & Mouse Association

Rat & Mouse Club of America

ratguide.com

Cage Space Calculator

Rat Toy Ideas

National Fancy Rat Society

Useful Mouse Links

American Fancy Rat & Mouse Association

Rat & Mouse Club of America

Fancy Mouse Breeder's Association

Pet Mouse Fancier's Forum

Useful African Soft-fur Links

Metal Monkey Exotics

Tallgrass Rattery

Kleinsäuger sui generis  (in German)

Useful Syrian Hamster links

National Hamster Council

California Hamster Association