5. The Beagle
This is a similar breed as far as its purpose and functionality to the bloodhound. The beagle is a great family dog with an impeccable nose for scents and smells, similar to the bloodhound. This dog breed is also used in many law enforcement cases and they have even been used to detect narcotics, certain agriculture, as well as many differing items at the Customs and Border Patrol. Beagles tend to have a howling bark and they make a great companion for any family.