If a dog approaches you and immediately starts sniffing, it may look like a simple greeting. But for dogs, smell is one of the most important ways they gather information about the world around them.
While humans rely heavily on sight, dogs experience their surroundings through an exceptionally powerful sense of smell. A quick sniff can provide a dog with information about another animal, a person, a familiar environment, or something that has recently changed.
So, what exactly is your dog learning when it sniffs you?
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