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jwiltsee's picture

cones and colors and animals

Submitted by jwiltsee on Sun, 04/19/2009 - 8:07pm.

I was interested in how other species usually have 4 cones in their vision instead of three.  The way I'm interested in it is that for many animals, such as frogs, we see them brightly colored to portray they are poisonous or animals that blend into things to avoid predators.  If they blend in and are colorful to our eyes, how do they look to other animals with 4 cones instead of our three.  Are they less or more defended???????

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