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5 Ways Your Dog Senses The World Differently From You

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Do dogs sense things differently than humans do' Well, yes and no. Dogs share the same basic senses with us: they see, hear, touch, smell and taste. But the level of their senses is different ' an important distinction when you're trying to figure out just what your dog is doing.

Sight
It was once thought that dogs were 'color-blind' ' only able to see shades of black and white with some grey, but scientific studies have found that's not true. Dogs can see in color ' ranging from blues and greens to greys and cr's, and of course, black and white. It's been estimated that humans can distinguish somewhere between 7 and 10 million different colors. (We don't even have names for that many colors!)

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Picture courtesy of Dr. P's site: http://www.uwsp.edu/psych/dog/dog.htm
But dogs have it all over humans in detecting motion ' that's one reason they can detect a cat up a tree at a much greater distance than you can! And their night vision is typically better than ours ' dogs have an additional reflective layer in the eye called the tapetum lucidum, which reflects light back into the receptor cells of the eye, which not only increases their night vision, but gives them that spooky appearance of eyes glowing in the dark.

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Hearing
When your dog is barking like crazy in the middle of the night, don't just assume he's lonely and wants you to get up and keep him company. He may be listening to something that you can't hear, that's extremely upsetting to him ' like a burglar breaking in your basement window.
Dogs can hear at four times the distance humans can ' that means you might hear something from a 100 yards away your dog could hear from a quarter of a mile away. Their ears are also better designed to gather more of the available sound wave ' they have 15 different muscles that move their ears in all directions, plus they can move one ear at a time ' and independently of the other to absorb even more information!

Touch
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Dogs also have a well-developed sense of touch, surprising perhaps under all that fur, although this sense is much less sophisticated than a human's. Puppies are born with sensory receptors in their faces so they can find mama even if they're separated before they open their eyes. But they also can sense touch all over their bodies, just as humans can. One reason your dog flops down on the couch next to you and tries to snuggle up on a hot day (or any other day for that matter!) is because he likes the comfort of feeling that you're right there!

Smell
We can't even come close to our dog's ability to smell things. It's been estimated that a dog's sense of smell is 100,000 times more powerful than a human's. Scientists think that humans have about 40 million olfactory receptors, versus 2 billion for your dog! That's part of the reason dogs make ......

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