Sources | Medically Reviewed on 10/20/2018 Reviewed by Amy Flowers, DVM on October 20, 2018

IMAGES PROVIDED BY:

1) Andersen Ross/Brand X Pictures

2) Martin Leigh/OSF, Hans Wretling/Nordic Photos

3) Comstock, Gandee Vasan/Stone

4) Steven Errico/Photodisc

5) John Elder/The Image Bank

6) Lynnette Henderson/Flickr

7) Lisa McKelvie

8) Francois Gilson/Photononstop

9) BakkoBrats/Flickr

10) Marla Brose/Albuquerque Journal

11) Morales Morales/Age Fotostock

12) Sheldon Lewis

13) Erik Isakson/Rubberball

14) Junku/Flickr

15) Photo courtesy of Dana Silberman

16) Rosseforp

17) Kevin Horan/Time & Life Images

18) Altrendo Nature/Altrendo

19) �� Dennis Drenner / Aurora

20) Bananastock

21) Anna Webb/WebMD

22) Franz Pritz/Picture Press

23) Ted Kinsman/Photo Researchers Inc., Jupiter Unlimited

24) Ivan Piven/Flickr

25) Peter Cade/Iconica

26) Daniela Hofer/F1 Online

27) Philip J Brittan/Photonica



SOURCES:

American Diabetes Association: "Could a Dog Save Your Life?"

American Veterinary Medical Association: "Frequently Asked Questions about the 2009 H1N1 Flu Virus and Pets."

ASPCA: "Canine Body Language," "Cat Vocalizations," "Cats and Babies," "Compulsive Behavior in Dogs," "Factors Determining a Cat's Personality," "Feeding Your Adult Cat," "People Foods to Avoid Feeding Your Pets," "Secondhand Smoke: Silent Killer Hurst Pets, Too."

Brevitz, B. Complete Health Dog Handbook, Workman Publishing, 2009.

Byard, R. Sudden Death in Infancy, Childhood and Adolescence, Cambridge University Press, 2004.

Canine Freestyle Federation: "Canine Freestyle."

Cat Fanciers' Association: "Myths and Facts About Cats."

Cats International: "Your Cat's Tail, Ear, and Eye Signals."

CDC: "Diseases From Dogs."

Coile, C. Why Do Dogs Like Balls? Sterling, 2008.

Coren, S. How to Speak Dog, Free Press, April, 2000.

DOE Office of Science, Ask a Scientist: "Cat Eye Blinking," "Dogs and Wet Noses."

Marshall Thomas, E. The Social Lives of Dogs, Simon & Shuster, 2001.

PetEducation.com: "Do Cats Always Land on Their Feet?" "High-Rise Syndrome: Cats Injured Due to Falls," "Petting-related Aggression in Cats," "Separation Anxiety in Cats," "Flehming: Smelling with an Open Mouth."

Petplace.com: "Can Dogs See in Color," "The Risks of Secondhand Smoke in Cats," "Understanding 'Cat Talk' What Is Your Kitty Saying?"

Pets.ca: "Dog Tails - Why Dogs Wag Their Tails."

Tabor, R. Cat Behavior, a Complete Guide to Understanding How Your Cat Works, Readers Digest, 1998.