Weekly Puzzler #94

shine-4383Have you ever been outside after dark and in your headlights or flashlight beam, caught an animal whose eyes seemed to glow in the dark?

Maybe you turned a spotlight on and noticed that your dog or cat’s eyes looked red or green or yellow? Why does it seem like some animals have eyes that seem to glow in the dark like this? What causes this and why do they have it? Do ALL animals have this “eye shine”?

This is the puzzler for this week! Check back next weekend to learn if your guess was correct… until then, happy Saturday!!

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2 Comments

  1. Hon January 18, 2016 at 8:45 am #

    It is caused by a reflective layer in their eyes that sends the light back into their eyes allowing them to see better in the darkness with less available light. Of course, if they had opposable thumbs, some would carry flashlights and be able to see better but their predators would also be able to see them better so it works out for the best

    • Sharon Mammoser January 18, 2016 at 5:24 pm #

      Correct again! You really must listen to everything I say.