Petfinder Resource Library: A virtual cornucopia of useful information on animal behavior, breeds, animal cruelty issues, and much more. Worth browsing even if you're not looking for anything in particular.
PetPlace.com: Another good site with much information on animal behavior, breeding, health, training and more. Take a look.
Best Friends Animal Society: Ever see DogTown on NatGeo ? Here's the sponsor. Terrifc organization, sponsers of the "No More Homeless Pets" campaign. Terrifc web site, loaded with lots of good information.
Whole-Dog-Journal.com: Similar to PetPlace.com, the Whole-Dog-Journal is another treasuretrove of good information for the concerned pet owner. You can subscribe to their newsletter or just take advantage of the free information on their web site.
Common Dog Problems: If you're stumped concerning some question about dogs, chances are there was someone else who was stumped by the same question and posted an answer to a web site like this.
AKC Breed Rescue: Links maintained by the American Kennel Club for various purebred rescue groups.
Peace Plantation Animal Sanctuary : Want to see a first class sanctuary for unwanted animals ? Check them out.
Gemini Farm : Another top notch rescue home for unwanted animals. -- Dogs, cats, horses, goats, rabbits, etc. They often serve as our "intensive care" unit for animals that need round the clock care until they are healthy enough to be returned to School House Rescue.
Stone Meadow Kennel: Breeder of Australian Shepherds, German Shepherds and Beagles. Also available: training and show handling
http://www.aginginplace.org/seniors-and-pets/ : Are you wondering how you are going to care for your pet as you age in place? Are you wondering if you should adopt a pet as you age in place? This guide will help you decide on the best choice for you.