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alithographica: Science Fact Friday - Tapetum lucidum! So why...


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alithographica:


Science Fact Friday - Tapetum lucidum!

So why don’t all vertebrates have this adaptation? It’s an advantage to animals that are active in the dark - cats, dogs, owls, raccoons, crocodiles, and so on - but it makes everything slightly blurry. Many daytime vertebrates (including humans and most other primates) do not have one and instead have better day vision.

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