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Dogs have a reflective surface at the back of their eyes to increase their night vision. You may see this in other nocturnal animals such as cats, raccons, and even deer. When the light hits it at certain angles, you will see a mirror like reflection. Different animals have different colored reflections, often green or red, although deer tend to be silver. The purpose of this is to increase the light to the retina, which increases the night vision of the animal. I know the surface has a name, but I don't remember what it is called. I was a bio major 20+ years ago and some things have slipped away...Hope this is what you were asking.

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13y ago
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12y ago

apple

banana

cherry

egg

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11y ago

Same reason people do..to keep there eye surface clean and moisturized

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11y ago

because they will get to see in the dark and they are monsters too

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Q: Why do dogs blink their eyes when you look at them?
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Related questions

What causes dogs to blink constantly?

The same thing that causes you to blink constantly. Their eyes are dry and they are keeping them moist.


Do cats and dogs blink with one eye?

Cats and dogs blink with both eyes, though sometimes if they wanted to for any reason they can blink with one eye only and leave the other eye open, which is called a wink.


Why do your eyes blink if you look directly at the sun?

our eyes blink because the rays of the sun hits our eyes directly which causes them to close and when we open our eyes again the same process is done...


Definition of the term flirting?

to look at someone and blink your eyes.


Why does it look like animals don't blink?

Many birds, reptiles, and mammals have nictitating membranes on their eyes. These membranes are transparent and can blink while leaving the eyes open.


Can Tasmanian devils blink their eyes?

Yes, Tasmanian devils can blink their eyes.


What is the future tense of blink?

The future tense of "blink" is "will blink." For example, "I will blink my eyes."


Can you not ever blink?

You have to blink or else your eyes will dry out.


When you blink is it cleaning your eyeballs?

your eyelashes protect your eyes from dust particles. when you blink it's mainly to lubricate your eyes. to add moisture back into your eyes if you didn't blink then your eyes would be very dry.


Is work done when you blink your eyes?

when you blink your brain is saying you eyes are dry and something like that


When do you have to blink your eyes?

When your eyes get dry or irritatted.


Why you blink?

because you are cleaning your eyes and pathogens are all over and they enter you eyes. when they enter your eyes you n.eed to clean them, so you blink