Dogs are not colorblind, however they have significantly less complex color vision than humans.
The human retina has more types of cones, which are responsible for detecting different wavelengths of light, which we see as color.
Eyes and Vision question: Are dogs colorblind? Editor's Note: The back-and-forth discussion presented in this answer has been preserved in the associated discussion page. Click on View Discussion below Does the dog see in color? Are dogs really colorblind? Are dogs and cats colorblind? Do dogs see in black a white?
wiki.answers.com/Q/Are_dogs_colorblind wiki.answers.com/Q/Are_dogs_colorblind
Dogs question: Are all dogs color blind? Actually, some dogs can see some colors, like blues or greens. Scientists are still trying to figure out what can...
wiki.answers.com/Q/Are_all_dogs_color_blind wiki.answers.com/Q/Are_all_dogs_color_blind
It is not true that dogs are completely colorblind. 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 colorblindness, they are unable to tell the difference between red and green. Can dogs see color? by David the Dogman;
www.certificate.net/wwio/pet0210010.shtml
Color Blindness views through Colorblind Eyes The question if dogs are colorblind, specifically red-green colorblind or if dogs only see shades of gray is raised among dog owners quite often. Even on the internet the question concerning dog vision is discussed controversial.
www.colblindor.com/2007/02/27/can-dogs-see-colors/ www.colblindor.com/2007/02/27/can-dogs-see-colors/
colorblindness in dogs? No, dogs are not colorblind in the sense that they see more than just black, white, and gray. However, the color range they perceive...
dogtime.com/dogs-colorblind-staff-faq.html dogtime.com/dogs-colorblind-staff-faq.html
Many adults think that dogs and cats cannot see any colors, only shades of gray. But this is not true. Cats and dogs can see some colors but not all of them. So in a sense they are like adults who are colorblind. Are cats and dogs colorblind? Do cats' eyes glow in the dark?
www.ccmr.cornell.edu/education/ask/index.html?quid=165
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Faith, Dogs aren't colorblind, but they do see colors differently than we do. Dogs don't seem to be able to see reds and greens very well, so their world...
www.madsci.org/posts/archives/2000-03/953863410.Zo.r.ht... www.madsci.org/posts/archives/2000-03/953863410.Zo.r.html
Q: Dr. Mike, I'm a fifth grader from Grass Range, MT. This year I'm doing my science fair project on dogs. Seeing if they're colorblind or not. My teacher said to find out as much info as possible. So I was wondering what you could tell me about their sight.
www.vetinfo.com/dogsee.html www.vetinfo.com/dogsee.html