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Forget any image of Bloodhound history you have, like lazing the day away on a country porch. Picture instead a police dog with a powerful nose.

When scenthounds navigate the world around them, they follow aromas in the air, on the ground, and across the water. Meet the scenthound breeds!

Mantrailing has traditionally been an activity used to assist in the hunt for missing persons. However, it is growing in popularity as a dog sport.

Dogs' noses are far more powerful than humans, with as many as 300 million scent receptors. Learn why the urge to sniff is such a big part of dogs' lives.