B
Species Profile

Bloodhound

Canis lupus familiaris

Built to follow the faintest trail
Evgenia Glinskaia/iStock via Getty Images

Bloodhound Distribution

Click a location to explore more animals from that region

Origin Location

This map shows the native origin of the Bloodhound. As a domesticated species, they are now found worldwide.

Loading map...

Size Comparison

Human 5'8"
Bloodhound 2 ft 1 in

Bloodhound stands at 37% of average human height.

Search dog - bloodhound follows a trail in the snow

At a Glance

Domesticated
Also Known As Sleuth Hound, Saint Hubert Hound, St. Hubert's Hound, Hound of Saint Hubert, Scent Hound, Tracking Hound
Diet Omnivore
Activity Cathemeral+
Lifespan 5 years
Weight 54 lbs
Status Not Evaluated
Did You Know?

A Bloodhound's nose has ~300 million scent receptors (far more than humans), making it a premier scent-trailing dog.

Scientific Classification

The Bloodhound is a large scent hound breed of domestic dog renowned for exceptional olfactory tracking ability, traditionally used to follow human scent trails over long distances and time intervals.

Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Carnivora
Family
Canidae
Genus
Canis
Species
Canis lupus familiaris

Distinguishing Features

  • Large scent hound with very long drooping ears
  • Loose wrinkled skin, especially on head/neck, aiding scent capture
  • Powerful nose and strong tracking drive
  • Typically black-and-tan, liver-and-tan, or red coat colorations

Physical Measurements

Males and females differ in size

Height
♂ 2 ft 2 in (2 ft 1 in – 2 ft 3 in)
♀ 1 ft 12 in (1 ft 11 in – 2 ft 1 in)
Length
♂ 5 ft 3 in (4 ft 11 in – 5 ft 9 in)
Weight
♂ 101 lbs (90 lbs – 110 lbs)
♀ 89 lbs (79 lbs – 99 lbs)
Tail Length
♂ 1 ft 8 in (1 ft 6 in – 1 ft 10 in)
♀ 1 ft 4 in (1 ft 2 in – 1 ft 6 in)
Top Speed
25 mph
Not fast, built for tracking

Appearance

Primary Colors
Secondary Colors
Skin Type Mammalian skin with a short, dense, weather-resistant coat; notably loose, elastic skin forming pronounced wrinkles (especially on head/neck) that can trap moisture/debris.
Distinctive Features
  • Domestic dog breed (Canis lupus familiaris) selectively developed from the base domestic dog for extreme scent-trailing rather than speed or guarding; not a wild canid and not a separate wild species.
  • Large, heavy-boned scent hound: deep chest and strong shoulders for endurance tracking over long distances and older scent trails.
  • Very long, low-set, pendulous ears that sweep scent toward the nose and can pick up burrs/foxtails; ear leather often extends well past the muzzle.
  • Loose facial and neck skin with deep wrinkles and pronounced dewlap; when head is lowered, skin folds can help channel odor particles toward the nostrils during mantrailing.
  • Long, powerful muzzle with large, open nostrils; overall head proportions emphasize nasal cavity volume for olfactory performance (key trait distinguishing it from many other domestic breeds).
  • Droopy lower eyelids (visible haw) and deep-set eyes contribute to a characteristic 'sad' expression; predisposes to eye irritation if folds are not kept clean.
  • Tail thick at base, carried high in a gentle curve when working ('flagging'), aiding handler visibility in brush during search-and-rescue/law-enforcement tracking.
  • Care requirement: frequent cleaning/drying of skin folds and ears to reduce dermatitis/yeast and otitis externa; monitor for odor, redness, and discharge.
  • Care requirement: regular nail/foot care and conditioning for long-duration tracking; avoid excessive jumping in young dogs to protect joints.
  • Prone to bloat (GDV) from a deep chest—manage with set meal times and low activity after eating; also risk of hip/elbow dysplasia, chronic ear infections, skin-fold dermatitis, and droopy-eye problems (ectropion/entropion).

Sexual Dimorphism

Males are typically larger and heavier-boned with a broader head and thicker neck; females are usually slightly smaller and lighter while retaining the same characteristic loose skin and long ears.

♂
  • Greater overall height and mass; more pronounced musculature in neck/shoulders.
  • Broader skull and heavier jowls/dewlap are common.
♀
  • Slightly smaller frame and finer bone structure on average.
  • Often a somewhat less massive head/neck while maintaining typical wrinkles and ear length.

Did You Know?

A Bloodhound's nose has ~300 million scent receptors (far more than humans), making it a premier scent-trailing dog.

Their long ears and loose facial skin help funnel and trap odor particles toward the nose while tracking.

Bloodhounds specialize in "mantrailing" (following human scent on the ground and in air currents) over long distances.

They're known for "cold-nosing": staying on older scent trails that many dogs can't hold reliably.

The breed's deep baying voice carries far-useful for handlers to locate a working dog in dense terrain.

Despite the intense working drive on a trail, many Bloodhounds are gentle, people-friendly companions off duty.

"Bloodhound" likely refers to being "of blood" (well-bred/noble lineage), not to bloodlust.

Unique Adaptations

  • Loose skin and wrinkles (especially around the head/neck) that can help hold scent near the nose while tracking.
  • Very long, low-set ears that can stir up ground scent and waft it toward the muzzle.
  • Large nasal cavity and olfactory anatomy optimized by selective breeding for scent discrimination in domestic dogs.
  • Heavy, athletic frame for steady endurance walking/trotting over varied terrain rather than sprinting speed.
  • Strong, low center of gravity and deliberate gait that supports long-duration tracking work.

Interesting Behaviors

  • Trail lock-on: once they commit to a scent line, they can ignore distractions and persist for hours.
  • Nose-to-ground quartering: sweeping side-to-side to reacquire a lost trail, then accelerating when scent strengthens.
  • Baying on track: many vocalize while working, a traditional way to signal progress to handlers.
  • Scent sampling "air-sniffing": lifting the head to catch drifting scent cones when ground scent is weak.
  • Scent-rag enthusiasm: many show high motivation for odor games (articles, track starts, and "find" rewards).

Cultural Significance

A flagship working breed in human-scent trailing: Bloodhounds have a long history in organized mantrailing and remain influential in modern search-and-rescue and law-enforcement support worldwide. They also shaped popular imagery of the "tracking hound," appearing in art, advertising, and detective/crime storytelling as the dog that can find what people cannot.

Myths & Legends

St. Hubert's Hound tradition (Ardennes/Belgium): medieval stories credit monks associated with Saint Hubert with breeding renowned scent hounds-often cited as an ancestral foundation for today's Bloodhound-type dogs.

Name lore: folk explanations in Britain describe the "bloodhound" as a "blooded hound," meaning aristocratically bred and kept for high-status hunts.

Frontier and manhunt lore: 18th-19th century American stories and newspapers often portrayed bloodhounds as near-supernatural trackers able to follow a person for days-feeding a lasting legend of the unstoppable trail dog.

Literary association: Conan Doyle's "The Hound of the Baskervilles" cemented the cultural idea of a terrifying, scent-driven hound; later illustrations and popular retellings frequently evoke Bloodhound-like features (droop, ears, powerful nose).

Hunting-pageantry tales: European hunting anecdotes describe great hounds whose baying "announced" the pursuit to entire valleys, reinforcing the Bloodhound's reputation as a ceremonial as well as practical tracker.

Conservation Status

NE Not Evaluated

Has not yet been evaluated against the criteria.

Population Stable

Life Cycle

Birth 8 pups
Lifespan 5 years

Lifespan

In the Wild
3–7 years
In Captivity
8–12 years

Reproduction

Mating System Polygynandry
Social Structure Managed Domestic
Breeding Pattern Transient
Fertilization Managed Selective
Birth Type Managed_selective

Bloodhound (Canis lupus familiaris) breeding is managed by people with planned matings, health checks, and timing. Multiple males and females may mate if unmanaged, but Bloodhounds form no lasting pair bonds; internal fertilization; 1–2 heats yearly.

Behavior & Ecology

Social Pack Group: 4
Activity Cathemeral, Crepuscular
Diet Omnivore Meat-forward complete dog food with high-value animal-based rewards (e.g., liver/heart treats), reflecting the breed's strong food motivation during scent work.

Temperament

Gentle, patient, and generally non-sharp with people; typically good-natured with children when well-socialized (large size and clumsiness require supervision).
Highly scent-driven and persistent; markedly more task-fixated than many other domestic dog breeds-distinguishing trait is extreme olfactory focus that can override recall and social responsiveness during tracking.
Independent thinker/stubborn streak: trains best with consistent routines, high-value rewards, and short sessions; harsh corrections often reduce trust and increase resistance.
Socially tolerant with other dogs; in HUBS (scent hound group) play is often brief and interspersed with sniffing/foraging behaviors rather than sustained chase games-variation by individual and early socialization.
Moderate energy but high endurance; needs daily "nose work" outlets (long sniff walks, tracking games) more than high-speed sprint exercise. Secure fencing and leash/long-line are key management needs due to roaming risk.
Bloodhounds drool a lot and have loose skin, which can make messes and skin irritation; clean their facial folds often and check and clean long, narrow ears to prevent moisture and infections.
Bloodhounds risk bloat (GDV); feed several small meals and avoid heavy exercise after eating. Hip/elbow dysplasia can make them less active. Eye problems and chronic ear infections cause head-shaking, pawing, irritability, or poor focus.
Vocal and expressive: tendency to bay/howl can be strong, especially with excitement, frustration, or scent arousal; early training and adequate enrichment reduce nuisance vocalization.

Communication

Deep baying (signature scent-hound vocalization), often used during arousal/track work.
Howling/long-toned calls, particularly in kennel/pack contexts or when isolated.
Barking Less sharp than many breeds, but can escalate with excitement
Whining/whimpering to solicit attention, food, or access to scent/outdoors.
Scent-based communication dominates: intensive ground sniffing, air-scenting, and persistent trail-following; may ignore visual cues when odor is salient Breed-distinguishing from many companion breeds
Body language: loose, wagging tail and soft posture when social; strong forward lean, nose-to-ground, and "pulling into harness/leash" when on odor.
Contact seeking with trusted humans (leaning, following room-to-room), but can abruptly disengage when a scent trail appears.
Environmental marking and investigation (urine marking/sniffing) used heavily in social/territory contexts; HUBS variation: scenthounds often communicate more through olfaction than through prolonged eye contact.

Habitat

Biomes:
Temperate Forest Temperate Grassland Mediterranean Tropical Rainforest Tropical Dry Forest Savanna Desert Hot Desert Cold Boreal Forest (Taiga) Tundra Alpine Wetland Freshwater Marine +8
Terrain:
Plains Hilly Valley Coastal Mountainous
Elevation: Up to 14763 ft 9 in

Ecological Role

Domestic/working omnivore with limited natural predation; primarily a human-associated companion and scent-tracking specialist rather than a wildlife hunter.

search-and-rescue and missing-person tracking law-enforcement scent trailing and evidence-location assistance reducing human-wildlife conflict by locating lost animals/people quickly social/working roles that increase human safety and community resilience

Diet Details

Main Prey:
Small mammals Birds Carrion
Other Foods:
Fruits Vegetables Grains and starches Edible plant matter

Human Interaction

Domestication Status

Domesticated

The Bloodhound (Canis lupus familiaris) is a domestic dog breed created in medieval Europe by monks and nobles. Bred for extreme scent work and long trail endurance, it has very sensitive noses, long ears and loose skin that funnel scent, often works on its own when tracking, and has a big, strong body for long ground-scent tracking.

Danger Level

Moderate
  • Large, powerful dog that can pull hard and drag handlers when it catches a scent (risk of falls/injury)
  • May ignore recall while tracking; risk of traffic incidents without secure containment
  • Mouthy/rough play in juveniles; accidental knocks from size and enthusiasm
  • Bite risk is generally low for a well-socialized Bloodhound but can occur with pain, fear, poor handling, or inadequate supervision around children/strangers
  • Health-related risks that can become emergencies (e.g., bloat/GDV) leading to sudden distress and unpredictable behavior if not managed

As a Pet

Suitable as Pet

Legality: Generally legal to own as a pet in the U.S. and many jurisdictions; typically subject only to standard dog licensing, vaccination, leash laws, and housing/kennel limits. Rarely targeted by breed-specific legislation (check local rules, HOA/landlord policies, and insurance restrictions).

Care Level: Experienced

Purchase Cost: $200 - $2,500
Lifetime Cost: $20,000 - $60,000

Economic Value

Uses:
Companion animal Working dog (scent tracking/mantrailing) Search and rescue support Law enforcement support Sport/competition (scent work, mantrailing, tracking trials) Breeding and conformation showing
Products:
  • Professional tracking/mantrailing services (where permitted and appropriately credentialed)
  • Search-and-rescue deployments and training programs
  • Working-line and show-line breeding stock/puppies
  • Training services and equipment (tracking lines, harnesses, GPS collars)
  • Veterinary and grooming services (ear/skin care common)

Relationships

Quick Take

  • Bloodhounds and sleuth hounds were long thought to be the same breed, though the difference between them reveals something unexpected about each dog's nature. Compare similar breeds →
  • Medieval monks are responsible for shaping one of law enforcement's most trusted tools today, and the name they gave these dogs hints at why. Explore bloodhound history →
  • One bloodhound police dog racked up 650 confirmed finds, with one of them starting from a trail over a week old. Find out how. Meet Nick Carter →
  • Bloodhounds can outlast even the most patient trainer, and the trick to actually getting through to them is not what most dog owners expect. See training tips →

Bloodhound dogs are very intelligent and have an extremely good sense of smell, which has also helped them earn a high reputation in the search and rescue department and the law enforcement arena. They are also known to be highly active and have a unique appearance. They are also kind and affectionate. These dogs are usually purebred and can often be found in adoption shelters and rescue groups.

Initially, there was confusion over whether bloodhounds and sleuth hounds were the same. However, while bloodhounds are known to be swift, sleuth hounds are known to be slow and lazy. Sleuth hounds were known to be the Scottish counterparts of bloodhounds.

A comprehensive infographic about Bloodhounds featuring an illustration of a bloodhound face, a history timeline, a size comparison chart, and icons for temperament and care.
From tracking 12-day-old trails to their noble origins in Medieval churches, discover why the Bloodhound remains the ultimate master of the scent. © A-Z Animals

Three Pros and Cons of Owning a Bloodhound

If you are considering adopting this breed, you should know that these animals come with a range of pros and cons — much like any other animal. Some of them are:

ProsCons
Affectionate in nature
Bloodhounds are known to have an affectionate and gentle nature, which makes them even more desirable to people. They are very loving and friendly towards their owners.
Clumsy
These dogs are very clumsy, and owning them could cause problems as they can create chaos around the house.
Tracker dogs
Bloodhounds are best known as tracker dogs and were used in earlier times to track down people and hunt deer and wild boars. They have a heightened sense of smell.
Not fit for young children and older adults
These dogs are usually only suitable for physically fit people who can handle large-sized dogs and the energy that usually comes with them. They are known to knock down very small children, accidentally, of course.
Tracking companion
They are an amazing tracking companion. Hunters, fishermen, and other outdoorsy families would be an ideal match for a bloodhound.
Stubborn
This breed is stubborn, and it can sometimes be difficult for the owners to maintain control over them.

Bloodhounds can be very stubborn, so it is important to establish authority early on.

History and Origins

It is uncertain when the bloodhound breed originated, but some experts believe it was present in the ancient Mediterranean. Aelian, a third-century scholar, wrote in his “Historia Animalium” of a hound with an impressive sense of smell, so focused on its task that it could not be pulled away from the trail until the target was found. The bloodhound is thought to be the oldest hound still around that utilizes scent to hunt and is seen as a predecessor to breeds like the black and tan coonhound and related coonhound varieties.

Around one thousand years ago, bloodhounds were developed in Western Europe, and the credit for their careful breeding is given to high-ranking members of the pre-Reformation church. During medieval times, many influential members of the church kept packs of hounds on the grounds of monasteries in England and France. The monks in charge of the breeding program were so diligent that their hounds were referred to as “blooded hounds,” indicating that they were of noble descent.

Throughout the years, bloodhounds have earned a strong reputation for their unmatched ability to track humans. Law enforcement agencies have been relying on these strong-willed dogs to follow scents that could lead to a criminal, a missing child, or a lost hiker. The assignment could go on for days, regardless of the terrain, and bloodhounds will never give up until the trail ends. Despite advances in scent detection technology, bloodhounds remain among the most accurate trackers for human scent, and their abilities are still highly valued in search and rescue and law enforcement.

Side view of a bloodhound

Bloodhounds will never give up on a scent.

Size and Weight

Bloodhounds are large and sturdy dogs and were originally bred for hunting deer and wild boar. They can also detect scents very keenly and are often used to track people.

The females of the species are usually 23 to 25 inches in height, while the males are 25 to 27 inches. Females weigh about 79 to 99 lbs., while males weigh 90 to 110 lbs.

Sleepy bloodhound

Bloodhounds weigh between 79 and 110 pounds.

Common Health Issues

Bloodhounds are generally known to be a very healthy breed of dog. They usually have a lifespan of around 10 to 12 years. However, like any other living creature, they are not completely safe from diseases.

These dogs can suffer from hip dysplasia, which is an abnormal formation of the hip socket, or elbow dysplasia, which is the abnormal formation of the elbow bones. They are also susceptible to bloating, which might lead to stomach-related conditions and could be due to indigestion or other underlying conditions.

They also suffer from other problems such as heart conditions and eye conditions like cataracts and persistent pupillary membranes.

The common health problems that bloodhounds suffer from include the following:

  • Hip dysplasia
  • Elbow dysplasia
  • Bloating
  • Heart conditions
  • Eye conditions
Bloodhound

Bloodhounds are prone to dysplasia of the hips and elbows.

Temperament

Bloodhounds are gentle and patient and are known to be noble dogs. These dogs are also known to be especially great with children and are also patient enough to let young children get all over them. They don’t seem to realize that they are gigantic dogs and have been known to accidentally knock small children over, so supervision is recommended.

Even though the bloodhounds are very well-mannered, they are independent and very determined. These dogs are also known to make independent decisions when they sense a particular scent. They must follow their nose!

They are also known for making melodious noises, such as howling and whining, and are considered one of the most vocal dog breeds. If you don’t like a talkative dog, a bloodhound is not for you.

bloodhound laying in the leaves

Bloodhounds are well-mannered dogs that are good around children.

How to Take Care of a Bloodhound

To be able to own a pet, it is important to know how to take care of them. Here are a few things you should take care of with Bloodhounds.

The Best Dog Food

Adult bloodhounds usually need about 18 percent protein and five percent fat. The common foods that you can feed to your bloodhound include chicken, salmon, vegetables, fish, and brown rice.

However, bloodhound puppies should usually be fed dry dog food, chicken, sweet potato, and other large-breed puppy foods, which ultimately help in their overall growth and development.

Maintenance and Grooming

Bloodhounds usually do not require much maintenance and grooming except for regular cleaning of their ears and coat. They need to be bathed only three to four times a year. However, when bathing them, it is advisable to do so outside, as they may slip and hurt themselves indoors.

Their ears need regular grooming. It is best to clean your bloodhound’s ears once a week, as they can become a breeding ground for bacteria and other infections. Other than that, you should also brush your bloodhound’s fur once a week to remove the dead hair.

Training

Even though bloodhounds are known to be tracker dogs and engage in a lot of physical exercise, they will often test you while training.

They are intelligent and stubborn and can outlast even the most patient trainer. Training requires time, patience, and lots of snacks to reach your goals.

However, once they start following their owner’s lead, they just need gentle reminding until the behaviors become commonplace.

Exercise

Bloodhounds require a good amount of exercise. These dogs typically need between 45 and 90 minutes of physical activity each day to keep them fit and satisfied, though some individuals may require more.

For the sake of the bloodhound’s mental peace, they need to be taken outside for walks, which helps them keep destructive and aggressive behaviors at bay.

Headshot of a bloodhound lying down on fallen leaves

Bloodhounds require 2 hours of physical activity per day.

Puppies

Bloodhound puppies need extra care since they are fragile during their first weeks and months. However, as they grow up, a more relaxed care routine can be put in place.

Bloodhound puppies usually need to be fed chicken, sweet potatoes, and other large-breed puppy food that helps in their growth and development.

It is recommended to start training and grooming early in life to give your puppy time to become accustomed to those routines.

Start training your bloodhound puppy early.

With Children

Bloodhounds are known to be very affectionate and loving and are especially great with children. They are also very patient and often allow young children to climb and get all over them.

Dogs Similar to Bloodhounds

Several dogs are like Bloodhounds. Some of them are:

  • Greyhound: While the Greyhound has a much slimmer body, they both can reach an average of two feet tall. Both are excellent companions for children and families, and they are even friendly with strangers.
  • Beagle: Beagles have about the same lifespan as a bloodhound, and both are gentle enough to be around children. While the bloodhound requires a little more attention and care during grooming, the beagle is much easier to groom. Both are incredibly vocal, acting as an alarm system with their bark to protect the home.
  • American Foxhound: These dogs are used for hunting foxes based on their scent, using their heightened sense of smell to get the job done, much like bloodhounds.
Bloodhound running through a field with ears flopping

The bloodhound was originally bred to follow the scent of deer and wild boar.

Famous Bloodhounds

There are many famous bloodhound dogs. Disney has integrated the floppy-eared dog as some of their most popular characters, like Pluto, Trusty (from Lady and the Tramp), Bruno (from Cinderella), and Copper (from The Fox and the Hound). Disney has even used the bloodhound as the character Bumpus Hounds in their holiday film A Christmas Story.

On television, the bloodhound found its way onto the set of “The Beverly Hillbillies.” Duke, the dog of the character Jed Clampett, was played by a bloodhound named Stretch.

Thanks to the bloodhound’s ability to track scents, the bloodhound’s most important role has been that of a police dog, and they are commonly used in France. Nick Carter, owned and handled by Captain G. V. Mullikin, is commonly considered the epitome of trailing for these dogs and is credited with 650 finds. One of these discoveries occurred after following a 12-day-old trail.

Bloodhound tracking

Bloodhound tracking is used today by many police and rescue groups.

View all 453 animals that start with B

Sources

  1. Dogtime / Accessed November 8, 2019
  2. Wikipedia / Accessed November 8, 2019
  3. Wikipedia / Accessed November 8, 2019
  4. DogBreeds911 / Accessed November 8, 2019
  5. Embrace Pet Insurance / Accessed November 8, 2019
  6. Hill's Pet / Accessed November 8, 2019
  7. Purina / Accessed November 8, 2019
  8. Bloodhound Information UK / Accessed November 8, 2019
  9. The Nest / Accessed November 8, 2019
  10. Bloodhound Man Trackers / Accessed November 8, 2019
  11. Borrow My Doggy / Accessed November 8, 2019
  12. Care / Accessed November 8, 2019
  13. The Paws / Accessed November 8, 2019
Heather Hall

About the Author

Heather Hall

Heather Hall is a writer at A-Z Animals, where her primary focus is on plants and animals. Heather has been writing and editing since 2012 and holds a Bachelor of Science in Horticulture. As a resident of the Pacific Northwest, Heather enjoys hiking, gardening, and trail running through the mountains with her dogs.

Thank you for reading! Have some feedback for us?


Bloodhound FAQs (Frequently Asked Questions)

Buying a bloodhound could cost you about $700. However, the maintenance could cost you anywhere between $1,400 to $5,500 per year.