It's a common myth that people think dogs are color blind. They are not exactly color blind! They simply have less colors than we humans do. Just like in the dark, we don't seem to be able to distinguish colors well. For example, they wouldn't be able to identify different shades of blue. They'll simply see most shades of blue as a single shade. That's pretty sad, to be unable to see all the colors of the world. But then again, they make up for their lack of colorful vision with their keen sense of smell and hearing too. Remember, dogs can hear frequencies that humans can't! That's why sometimes you'll see your dog stand up at attention for no apparent reason. No, it's not a ghost. Your pooch probably just heard something you couldn't hear.
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