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Can dogs
see color?
by David the Dogman
It is not true that dogs are completely colourblind. While dogs
do not have the same color vision as humans, they are able to tell
yellow from blue. Like a human with red-green colourblindness,
they are unable to tell the difference between red and green.
The reason for this limited range, in both the colourblind human
and the dog, is that there are only two kinds of colour receptors
in the retinas of their eyes. While most humans have three kinds
of colour cells, with three different receptor molecules sensitive
to blue, greenish-yellow, and red, dogs only have receptors for
yellow and greenish-blue.
Canine eyes also lack another human trait: the fovea, an area
especially dense with detail-sensing cells. As a result, their
detail vision is not as good as ours. But they make up for this by
having much better night vision and greater sensitivity to
movement.
Commitment, Firmness, but kindness.
 Brought
to you by: World Wide Information Outlet - http://certificate.net/wwio/,
your source of FREEWare Content online.
Do you have any problems with your pet? Then
why not send your problem to DAVID
THE DOGMAN. David is a Canine Behaviourist who works and lives
in Marbella, Spain. Tel/Fax (00345) 2883388. His web site is
located at: http://www.thedogman.net.
David has his own radio and TV shows, and writes for many
newspapers and magazines. David has been working with dogs for
many years and started his career in Israel, working on the Border
Police. He has been involved in all forms of training, including
air sea rescue, air scent work, and has trained dogs for finding
drugs. David has devoted the past 10 years to studying behaviour
and the very passive approach. He does not use choke chains, check
chains, or any form of aggression.
David The Dogman is available for private consultations in your
home, for further details telephone; Tel; (95) 2883388
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