Its has be scientifically proven that dogs eyes contain both rods and cones, therefore they can see both black and white and in colour. The concentration and amount of color receptors is smaller than in a person though so we can guess that what a dog sees is something like a soft out of focus picture we might get from the lens being dirty on a camera. I know my dog has great eyesight. If I put down a piece of paper that is close to the colour of my carpet, she will go to it right away to see what it is even if she didn't see me set it down. I've tried this a couple of times. It is just an old wives' tale about animals being colour blind. I think at one point in time this was used as a means to get people to agree that animals are a lower species.





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