Question: what dog smells the best?
Answer: Bloodhound. The Bloodhound is one of the oldest dogs that hunt by scent. ... 
Beagle. Beagles have an excellent nose, and tend to follow it wherever it may take them. ... 
German Shepherd. German Shepherds are known as the world's leading police and military dogs. ... 
Dachshund. ... 
Harrier. ... 
Basset Hound. ... 
Redbone Coonhound. ... 
Bluetick Coonhound.