How dogs see?

Dogs have a great vision, allowing them to see in the night. The dogs are always alert, and if you wake up a dog in the middle of the night, his vision will be adapted to the environment in a few seconds. Of course, this also depends on the race of the dog, but the majority of them are pretty great at detecting the slightest move in the dark. The dogs that have a great vision are usually used for hunting or guarding, but any dog has a better vision than the majority of humans. 

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Is dog insurance worth it?
When do dogs go into heat?
Why do dogs shake?
When do dogs stop teething?
Why do dogs have whiskers?
How do dogs get fleas?
Why does dog pee kill grass?
How do dogs get worms?
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How does dog breeding work?
Where dogs came from
How are dogs and wolves different?
Relationship between dogs and wolves
How dogs were domesticated
Where dogs live
Where dogs like to be rubbed
When dogs die
Why dogs eat grass
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When dogs eat grass
When dogs lick you?
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When dogs attack?
How dogs were domesticated?
How dogs drink water?
How dogs mate?
Are dogs carnivores?
Are dogs color blind?
How dogs see?
Are dogs allowed on trains?
Are dogs mouths clean?
Is dog food good for dogs?
Is Dog Island Real?