(All the small furry pets – Hamsters, gerbils, guinea pigs, mice, rats, sugar gliders, etc)
About.com – the link to the exotic pets page, several of the small mammals are listed on the left hand side
American Cavy Breeder’s Association– link to their online articles about guinea pig care, nutrition, and diseases
Peteducation.com – several articles on pocket pet care and husbandry
Petplace.com – searchable article listing on small mammal care, search by name as well (gerbil, hamster, etc)
UC Davis small mammal links – healthy veggie guide and good hamster and guinea pig care sheet