Nevertheless he imagined gradation from simple-eyed animals with pigment-coated nerves to ones with eyes of a “high stage of perfection”, such as our own. 11 weirdest, bizarre ...
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What animal has the best eyesight?
Imagine you're a red-tailed hawk, soaring through the sky. You scan the ground, looking for your next meal. You spot a squirrel hundreds of feet below you. Its coat helps it blend into the ground, but ...
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