Why do some animals' eyes shine in the dark?

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Why Do Some Animals' Eyes Shine In The Dark?​


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Key Facts In This Video

  1. The tapetum lucidum is a reflective surface behind the retina that helps certain animals to see in the dark. 01:00

  2. A tapetum with five layers can reflect around 75% of the light that hits it. 02:18

  3. The color of the tapetum lucidum depends on proteins, minerals, imperfections, and pigments in the eyes. 04:06