Video for Cats: Cat Vision
- Explains why cats are better adapted for judging motion and night vision than humans. Also explains the animal's perception of color. Includes illustrative examples.
- http://videoforcats.com/catvision.htm

Pet Education: Seeing in the Dark
- Why cats can see so well in semidarkness.
- http://www.peteducation.com//article.cfm?cls=1&cat=1313&articleid=1116

Pet Education: Smelling with an Open Mouth
- Explains flehming in cats, often seen in males and associated with breeding behavior.
- http://www.peteducation.com//article.cfm?cls=1&cat=1313&articleid=1142

Pet Education: Hearing in Cats
- Cats' sense of hearing and the ability to distinguish between similar sounds.
- http://www.peteducation.com//article.cfm?cls=1&cat=1313&articleid=1130

Pet Education: How the Sense of Smell Influences Cat Behavior
- Insights into cats' sense of smell.
- http://www.peteducation.com//article.cfm?cls=1&cat=1313&articleid=167

Purina Cat Chow: A Cat’s Tongue – Rough, Tough and Versatile
- Examines cats' tongues and what they do.
- http://catchow.com/catcarecenter_physical3.aspx?storyID=13&category=1

VeterinaryPartner: Sense of Smell
- Explains cats' sense of smell.
- http://www.veterinarypartner.com/Content.plx?P=A&A=1477&S=2&SourceID=18

Animal Planet: Smell and Taste
- How a cat monitors aromas in its environment.
- http://animal.discovery.com/guides/cats/body/smellintro.html

Animal Planet: Sense of Touch
- Examines how cats keep in constant contact with its physical environment.
- http://animal.discovery.com/guides/cats/body/touchintro.html

Animal Planet: Eyes and Vision
- Examines cats' ability to “see in the dark”.
- http://animal.discovery.com/guides/cats/body/eyesintro.html

Animal Planet: Ears and Hearing
- Looks at cats' ears and their hearing ability.
- http://animal.discovery.com/guides/cats/body/earsintro.html