UC Davis study on the distribution and abundance of the non-native parasite, canine heartworm, in California coyotes. http://www.vgl.ucdavis.edu/cdcg/pubs/Sacksetal2004a.pdf

American Animal Hospital Association — Advice on choosing and caring for dogs, cats, birds, exotics, and small mammals. General information on characteristics of specific breeds. http://www.healthypet.com/

American Veterinary Medical Association — Health information, brochures, safety information, and an FAQ are available. https://www.avma.org/Pages/

American College of Veterinary Surgeons — Background, clinical signs, risk factors, diagnostic procedures, and when to seek professional help for large animals, equine, food animals, and small animals. http://www.acvs.org/AnimalOwners/HealthConditions/SmallAnimalTopics/

Hereditary Conditions of Canine Breeds. http://www.upei.ca/~cidd/intro.htm

Hereditary Conditions of Feline Breeds. http://www.fabcats.org/breeders/inherited_problems/index.php

Purina provides many of short snippets of basic information on choosing, feeding, and caring for a dog or cat. The breed sections are especially good. Because the information here is spelled out in simpler terms, the information is accessible to all. The health information sections frequently refer the reader to their veterinarian. http://www.purina.com/

Heartworm Disease in Dogs & Cats. http://www.heartwormsociety.org/pet-owner-resources/heartworm.html

Veterinary Partner – This outstanding, ad-free site offers extensive, dependable, and high quality online pet health information for client education. Use the keyword search, guided tabs (behavior, health, diseases, drugs, pet corner), or links to species. http://www.veterinarypartner.com/

Food and Drug Information for latest food and pharmaceutical recalls, and problems. http://www.fda.gov/AnimalVeterinary/NewsEvents/CVMUpdates/ucm047879.htm

Animal Poison and Toxicity Problems. http://www.aspca.org/pet-care/poison-control/

National Directory for Wildlife Assistance. http://wildliferehabinfo.org/contact_a-m.htm