this post was submitted on 06 Jun 2026
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I thought dogs, like most land predators, evolved green receptors first to detect movement in foliage, so shouldn't they see green better than this?
Their 2 sets of cones are apparently most sensitive to blue and yellow wavelengths vs our RGB.
https://www.britannica.com/story/are-dogs-really-color-blind
This is why they can lose sight of tennis balls on a lawn. Green and yellow look very similar to them. Give your dogs blue balls!