They can be protective of their domain, if no one is home, but out on a trail, they will welcome anyone. Some will bark and let you know when strangers are around. They can live in harmony with other dogs and household pets. Bloodhounds have a tendency to howl, snore, and drool a lot. He may sniff inappropriately or wander off on the trail of an interesting scent.
Bloodhounds are able to follow any scent, even human - a rare ability in a dog.
This breed has been said to successfully follow trails over 100 hours old. He is so determined that he has been known to stay with the trail for over 100 miles. The Bloodhound is such a sure tracker that the breed is used worldwide for rescue and criminal searches. The Bloodhound's evidence is admissible in the court of law. One Bloodhound brought about 600 criminal arrests and convictions.