WOOFS: An online not-for-profit magazine with lots of information on dog health, nutrition, and general care.  They also have an extensive archive of past articles. 

ASPCA Dog Care:  Articles about puppy care, crate training, housebreaking, canine adolescence, exercise and play, hot and cold weather tips, grooming, spay/neuter, and lots more. 

Waltham Pet Care:  Info on choosing the right breed for you,  including an online questionnaire which will return possible breed choices.  Also has info about training, behaviour, exercise and play, grooming, first aid, and even a doggie soap opera!  The site also has helpful info on cats, birds, and fish.

Dog Care and Training - From the Wisconsin Chow Rescue site. Lots of good info pertaining to all dogs.  Puppy mill info, crate training questions and answers, adding a new baby to the pet household, making peace between dogs and cats and a lot more.  Also has links to dog rescue sites and a dog bookstore.

Cyberpet - Many articles about a wide variety of dog care and training issues.  Some include pet overpopulation, teaching children animal sense and manners, adding a new dog to the household, seasonal pet precautions, responsibility of canine ownership, and many others. 

The Mining Company Guide to Dogs:
Good information here about all aspects of dog ownership.  Articles about the link between animal abuse and crimes against humans, the adoption option, dog friendly hotel listings, freebies for dogs, National parks and campgrounds that allow dogs, dog friendly France, sibling dog fighting and much more.

The Pet Connection:  Info on household hazards, pet obesity, Seasonal care tips, selecting a vet, and spaying and neutering. 

Perfect Paws:  Info on puppy training, dog problems like whining, barking, fear of loud noises, car problems and more.  Also articles on housetraining both puppies and adult dogs.

APA Puppy Care:  American Pet Association's web site, with excellent articles about caring for your new puppy. 

Dog Care Info:  Good dog care general info on  preparing for a puppy, puppy care, housebreaking, dog crates, canine adolescence, exercise and play, possession agression, hot and cold weather tips, why spay/neuter and more.

PAWS:  This is the web site for the Progressive Animal Welfare Society.  They have tons of info on care for all types of animals, as well as info on puppymills, spay/neuter, animal advocacy, and a lot more. 

Basic Dog Care:  How to give medication, choosing a vet, spay/neuter info. 

Dog Owner's Guide:  Articles on food and nutrition, health & veterinary information, seasonal, travel and vacation with your dog, kids and dogs, and a lot more.  Also talks about dogs and the law, choosing the right dog, manners and training, behavior and aggression, rescue, and lots of miscellaneous stuff. 

Common Problems Relating to Your Dog's Diet:  tips on dental care, people food and misconceptions, nutrition related dermatology, management of obesity, and more.

Net Vet:  A site developed by a veterinarian at Washington University in St. Louis, Missouri.  Tons of links to veterinary articles, animal health resources, animal newsgroups, mailing lists, and more. 

AAHA Healthy Pet:  A site from the American Animal Hospital Association.  Tons of info on behavior, health problems, human animal bond, nutrition, pet care tips, preventative care, and even a coloring page for kids.  Also has info to help in choosing an animal hospital. 

AVMA Care for Pets:  Articles on canine and feline health and illnesses, pet loss, animal safety, choosing a veterinarian, pet stories, and more.  From the American Veterinary Medical Association.

San Francisco SPCA - This innovative SPCA guarantees that no adoptable dog or cat in the city of San Francisco will be euthanized.  Their services and programs serve as models for rescues and shelters across the country.  They have a lot of great info on animal care, as well as an animal behavior hotline, doggy daycare program, hearing dog program, animal assisted therapy program, spay/neuter clinic, pets and older people program, and many  more.  They even have a live petcam!   Be sure to check this site out. 

Your Dog's Dental Health:  Keeping your dog's teeth clean is a necessity for canine good health.  Plaque can lead to periodontal disease, a serious condition that can cause infections and even heart disease.  Here is a good overview of canine dental care. 

Pets Need Dental Care Too:  Another good site about dog and cat dental health.

National Animal Poison Control Center:  24 hour emergency helpline from the ASPCA.  Info on how to prevent poisoning, what to do if an animal is poisoned, and other important information.  Keep their number by your phone!

The Toxicity of Plants:  An alphabetical list of common plants and to what degree they are toxic. 

Antifreeze Poisoning:  Antifreeze is one of the most dangerous toxins to dogs; it's sweet taste is attractive to them.  This site gives info on symptoms and the type of treatment your veterinarian may use.

CPR For Pets:  Describes how CPR can be done for pets.  Distinguishes between methods for large and small dogs.  This could save your dog's life!

Make A Canine First Aid Kit:  This site gives a list of items that you should have on hand for emergency situations with your pet. 

Animal and Pet First Aid:  First aid for dogs, horses, birds, and more.  Canine and equine first aid kits to make, canine heat exhaustion info.