Are cats and dogs really colorblind?
As Cecil Adams observes in The Straight Dope cats and dogs are not completely colorblind but one can compare their vision with the vision of human being suffering from Deuteranope. The same is reported...
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Camouflage of the Colorblind Cuttlefish
Cuttlefish have three hearts which pump blood with shades of green and blue through their veins. Cuttlefish have ink and they are caught for food. But the most fascinating fact is: Cuttlefish can...
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Can Dogs see Colors?
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...
View ArticleMost Mammals Are Colorblind orThe Evolution of Color Vision
Our color vision is based on three different types of visual pigments. This is called trichromacy and as a matter of fact, it is quite unusual in the animal kingdom. The following information is a...
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