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punkypiggy
are guinea pigs colour blind
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C
Cookie22
I think they can see colour faintly or outlines of things
daftscotslass
Senior Guinea Pig
http://www.iovs.org/cgi/reprint/43/5/1662
Piggers have dichromatic colour vision - this means they have two sets of cells in their eyes that distinguish colours - blue and green (S and M cones). They don't see reds. Humans have trichromatic colour vision.
Piggers have dichromatic colour vision - this means they have two sets of cells in their eyes that distinguish colours - blue and green (S and M cones). They don't see reds. Humans have trichromatic colour vision.
Angeladeedah
Adult Guinea Pig
Lol - they won't appreciate the nice red hammock I bought for them then! 
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