The dog’s superior sense of smell comes from 220 million scent receptors in their nose. That’s about 50 times more than humans have, giving dogs the ability to detect scents that are completely undetectable to us.
Simply put, dogs are incredibly curious creatures, and they have a keen sense of smell that helps them gather information about you.

Fortunately, there are ways to guide your dog’s curiosity into a more courteous greeting. Keep reading to find out why dogs sniff crotches and how you can redirect this behavior.
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