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Bernese Mountain Dog

The Bernese Mountain Dog is a handsome, gentle giant.

Bernese Mountain Dog Breed Photo

Vital Stats

Dog Breed Group
Working Dogs
Height
Weight
Life Span
6 to 8 years

Breed Characteristics

  • Details

    Adaptability

    based on 6 ratings
  • Details

    Trainability

    based on 6 ratings
  • Details

    Health & Grooming

    based on 6 ratings
  • Details

    All-around friendliness

    based on 4 ratings
  • Details

    Exercise needs

    based on 4 ratings
  • See All Characteristic Ratings


Summary

The Bernese Mountain Dog is an extremely versatile working dog from the farmlands of Switzerland. He was developed to herd cattle, pull carts, and be a watchdog and loyal companion. He is one of four types of Swiss Mountain Dogs, and the only one with long hair. The Bernese Mountain Dog comes from the canton of Bern, hence his name. He's a large and sturdy dog breed, with a friendly and calm disposition, and he's well suited to conformation, obedience, tracking, herding, and carting competitions.

Additional articles you will be interested in:

Adoption
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Bringing Home Your Dog
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Housetraining Puppies
Feeding a Puppy
Dog games
Teaching your dog tricks
How to take pictures of your dog

  • Overview

    The Bernese Mountain Dog, affectionately called the Berner (and known as the Berner Sennenhund in his Swiss homeland), is instantly recognizable with his flashy, tricolor coat and white "Swiss cross" on his chest. Underneath that beautiful coat is a sturdy dog well suited for heavy work: These beautiful, gentle dogs have been traditionally used in Switzerland as herders and draft dogs.

    The Berner was originally a vital part of farm life, serving to drive cattle, protect his family, and pull carts loaded with goods to sell at nearby villages. Although he's a good-mannered, hard worker, he nearly became extinct in the early 20th century, when other means of transportation became accessible to farmers. Fortunately, a handful of fanciers sought to preserve the breed.

    In addition to being strikingly good-looking, the Berner has a wonderful temperament. He is known for being loyal, affectionate, eager to please, and intelligent. He's easy to train, if you allow him time to analyze what you want him to do. Most of all, he has a happy-go-lucky attitude about life.

    The Berner is calm but gregarious, and sometimes even a little goofy when he plays with his family. He does well with children of all ages and with adults, but he isn't a good choice for people who live in apartments or don't have a large, fenced yard for him to play in. The Berner needs to live with his family, rather than be relegated to an outdoor kennel. He's happiest when he can participate in all family activities.

    Since he was bred to be a working dog, the Berner likes to learn and can be easily trained. Since he is very large — about 100 pounds — when mature, early obedience training and socialization are recommended. Prospective owners should know that the Berner is slow to mature, both physically and mentally; he may remain puppyish for some time. Additionally, the Berner is known to have a "soft" personality; his feelings are easily hurt and he doesn't respond well to harsh corrections.

    Despite his beauty and excellent temperament — or perhaps because of these qualities — Berners are struggling to survive today. The breed has a small gene pool, which has resulted in numerous health problems related to inbreeding. As more people find out about the breed, many dogs with health problems are being bred with little or no regard to the effect this has on the breed as a whole. Those considering a Bernese Mountain Dog must be very careful to buy a puppy only from a reputable breeder.

  • Highlights

    • Berners have numerous health problems due to their small genetic foundation, and perhaps due to other reasons yet undiscovered. Currently, the life span of a Bernese Mountain Dog is comparatively short, about six to eight years.
    • Because of the Berner's popularity, some people have bred dogs of lesser quality in order to sell the puppies to unsuspecting buyers. Be especially careful about importing dogs from foreign countries that have few laws governing kennel conditions. Often these dogs are bought at auction and little is known about their health history.
    • Veterinary care can be costly because of the health problems in the breed.
    • Berners shed profusely, especially in the spring and fall. If shedding drives you crazy, this may not be the right breed for you.
    • The Berner likes to be with his family. He's likely to develop annoying behavior problems, such as barking, digging, or chewing, if he's isolated from people and their activities.
    • When Berners are mature, they are large dogs who like to have a job to do. For those reasons, it's wise — and fun — to begin obedience training early.
    • Although they're very gentle with children, Berners sometimes accidentally knock over a small child or toddler.
    • To get a healthy dog, never buy a puppy from an irresponsible breeder, puppy mill, or pet store. Look for a reputable breeder who tests her breeding dogs to make sure they're free of genetic diseases that they might pass onto the puppies, and that they have sound temperaments.
  • History

    One ancient breed, the Molosser, stands out as of the most versatile, well traveled, and influential in the development of a variety of Mastiff-type dogs, including Berners.

    It's thought that the four Swiss Sennenhund breeds (Appenzeller Sennenhund, Entlebucher Sennenhund, Greater Swiss Mountain Dog, and Berner Sennenhund) developed as crosses between farm dogs from the Swiss Alps and the Molosser or Mastiff-type dogs that the Romans brought with them when they invaded the Alps in the first century B.C.

    It's likely that the Berner has been working on Swiss farms for more than 2,000 years, quietly tucked away on small holdings in the Alps, where he's been pulling carts, accompanying livestock, standing watch, and providing his owners with loyal companionship.

    It is known that by 1888, only 36 percent of the Swiss population worked in agriculture, and need dwindled for a strong dog who could herd cattle and pull a cart filled with goods. In 1899, however, the Swiss became interested in preserving their native breeds and founded a dog club called Berna. Members included breeders of a variety of purebred dogs.

    In 1902, the Swiss dog club sponsored a show at Ostermundigen that drew attention to the Swiss mountain breeds. Two years later, the breeds took a big step forward through several events: At an international dog show held in Bern, the Swiss dog club sponsored a class for Swiss "shepherd dogs," which included the Mountain dogs. This was also the first year that these dogs were referred to as "Bernese." And in that same year, the Swiss Kennel Club recognized the Bernese Mountain Dog as a breed.

    During World War I, dog shows and breeding took a backseat to war efforts. But after the war, the first Bernese Mountain Dogs were exported, first to Holland and then to the United States — although the breed was not yet recognized by the American Kennel Club.

    In 1936, two British breeders began importing Berners, and the first litter of Berner pups was born in England. Also in 1936, the Glen Shadow kennel in Louisiana imported a female and a male Berner from Switzerland. By early 1937, the AKC sent Glen Shadow a letter saying that the Bernese Mountain Dog had been accepted as a new breed in the Working Class.

    World War II again interrupted the progress of the breed outside its native land, but after 1945, importation and registration resumed in the United States.

    In 1968, the Bernese Mountain Dog Club of America was founded, with 62 members and 43 registered Berners. Three years later, there were more than 100 members in the club. Meanwhile, the breed, which had died out in England during World War II, was reintroduced in Great Britain.

    The Bernese Mountain Dog Club of America became a member club of the AKC in 1981. In 1990, the AKC adopted its current Bernese Mountain Dog standard.

  • Size

    Males stand 25 to 27.5 inches tall and weigh 80 to 115 pounds. Females stand 23 to 26 inches tall and weigh 70 to 95 pounds.

  • Personality

    The Berner is an affectionate, intelligent, and alert dog. He's also gentle, calm, and tolerant. He likes to be with his family and thrives when he's included in family activities. His large size is one of his most notable features, and of course early training is essential to teach him how to behave properly in the house and with people. Slow to mature, he reaches his adult size long before he reaches mental maturity.

    The Berner is protective of his family, though he isn't usually aggressive. He can be aloof with strangers and generally a bit shy, so exposing the Berner puppy to a wide variety of people, animals, and situations is important.

    Temperament is affected by a number of factors, including heredity, training, and socialization. Puppies with nice temperaments are curious and playful, willing to approach people and be held by them. Choose the middle-of-the-road puppy, not the one who's beating up his littermates or the one who's hiding in the corner.

    Always meet at least one of the parents — usually the mother is the one who's available — to ensure that they have nice temperaments that you're comfortable with. Meeting siblings or other relatives of the parents is also helpful for evaluating what a puppy will be like when he grows up.

    Like every dog, the Berner needs early socialization — exposure to many different people, sights, sounds, and experiences — when they're young. Socialization helps ensure that your Berner puppy grows up to be a well-rounded dog.

    Enrolling him in a puppy kindergarten class is a great start. Inviting visitors over regularly, and taking him to busy parks, stores that allow dogs, and on leisurely strolls to meet neighbors will also help him polish his social skills.

  • Health

    Berners are generally healthy, but like all breeds, they're prone to certain health conditions. Not all Berners will get any or all of these diseases, but it's important to be aware of them if you're considering this breed.

    If you're buying a puppy, find a good breeder who will show you health clearances for both your puppy's parents. Health clearances prove that a dog has been tested for and cleared of a particular condition.

    In Berners, you should expect to see health clearances from the Orthopedic Foundation for Animals (OFA) for hip dysplasia (with a score of fair or better), elbow dysplasia, hypothyroidism, and von Willebrand's disease; from Auburn University for thrombopathia; and from the Canine Eye Registry Foundation (CERF) certifying that eyes are normal. You can confirm health clearances by checking the OFA web site (offa.org).

    • Cancer: Various forms of cancer afflict a large number of Bernese Mountain Dogs and can cause early death. Symptoms include abnormal swelling of a sore or bump, sores that don't heal, bleeding from any body opening, and difficulty with breathing or elimination. Treatments for cancer include chemotherapy, surgery, and medications.
    • Hip Dysplasia: This is an inherited condition in which the thighbone doesn't fit snugly into the hip joint. Some dogs show pain and lameness on one or both rear legs, but others don't display outward signs of discomfort. (X-ray screening is the most certain way to diagnose the problem.) Either way, arthritis can develop as the dog ages. Dogs with hip dysplasia should not be bred — so if you're buying a puppy, ask the breeder for proof that the parents have been tested for hip dysplasia and are free of problems.
    • Elbow Dysplasia: Similar to hip dysplasia, this is also a degenerative disease common to large-breed dogs. It's believed to be caused by abnormal growth and development, which results in a malformed and weakened joint. The disease varies in severity: the dog could simply develop arthritis, or he could become lame. Treatment includes surgery, weight management, medical management, and anti-inflammatory medication.
    • Progressive Retinal Atrophy (PRA): This is a family of eye diseases that involves the gradual deterioration of the retina. Early in the disease, affected dogs become night-blind; they lose sight during the day as the disease progresses. Many affected dogs adapt well to their limited or lost vision, as long as their surroundings remain the same.
    • Portosystemic Shunt (PSS): This is a congenital abnormality in which blood vessels allow blood to bypass the liver. As a result, the blood is not cleansed by the liver as it should be. Symptoms, which usually appear before two years of age, can include but are not limited to neurobehavioral abnormalities, lack of appetite, hypoglycemia (low blood sugar), intermittent gastrointestinal issues, urinary tract problems, drug intolerance, and stunted growth. Surgery is usually the best option.
    • Von Willebrand's Disease: Found in both dogs and humans, this is a blood disorder that affects the clotting process. An affected dog will have symptoms such as nosebleeds, bleeding gums, prolonged bleeding from surgery, prolonged bleeding during heat cycles or after whelping, and occasionally blood in the stool. This disorder is usually diagnosed between three and five years of age, and it can't be cured. However, it can be managed with treatments that include cauterizing or suturing injuries, transfusions before surgery, and avoidance of specific medications.
    • Panosteitis: Commonly called pano, this condition causes self-limiting lameness. At about five to 12 months of age, the dog may start to limp first on one leg, then on another — then the limping will stop. There are usually no long-term effects. Rest and restricted activity may be necessary for a while if the dog is in pain. The best thing that you can do for your Berner is to feed him a high-quality dog food that doesn't have too much calcium or too high a percentage of protein, which some believe may cause pano. Ask your vet for his recommendations.
    • Gastric Torsion: Also called bloat, this is a life-threatening condition that can affect large, deep-chested dogs such as Bernese Mountain Dogs. This is especially true if they are fed one large meal a day, eat rapidly, drink large volumes of water after eating, and exercise vigorously after eating. Bloat is more common among older dogs. It occurs when the stomach is distended with gas or air and then twists (torsion). The dog is unable to belch or vomit to rid himself of the excess air in the stomach, and the normal return of blood to the heart is impeded. Blood pressure drops and the dog goes into shock. Without immediate medical attention, the dog can die. Suspect bloat if your dog has a distended abdomen and is salivating excessively and retching without throwing up. He also may be restless, depressed, lethargic, and weak, with a rapid heart rate. It's important to get your dog to the vet as soon as possible if you see these signs.
  • Care

    Berners are not suited to apartment or condo life. A home with a large, securely fenced yard is the best choice. Because the Berner is a working dog, he has plenty of energy. In addition to yard play, he needs a minimum of 30 minutes of vigorous exercise every day; three times that amount keeps this sturdy dog in top condition.

    With his thick, handsome coat, the Berner is a natural fit for cold climates. He loves to play in the snow. Conversely, with his black coat and large size, he's prone to heat stroke. Don't allow him to exercise strenuously when it's extremely hot; limit exercise to early mornings or evenings, when it's cooler. Keep him cool during the heat of the day, either inside with fans or air-conditioning or outside in the shade.

    You'll need to take special care if you're raising a Berner puppy. Like many large-breed dogs, Berners grow rapidly between the ages of four and seven months, making them susceptible to bone disorders and injury. They do well on a high-quality, low-calorie diet that keeps them from growing too fast.

    Additionally, don't let the Berner puppy run and play on hard surfaces (such as pavement), jump excessively, or pull heavy loads until he's at least two years old and his joints are fully formed. Normal play on grass is fine, and so are puppy agility classes, with their one-inch jumps.

  • Feeding

    Recommended daily amount: 3 to 5 cups of high-quality dry food a day, divided into two meals.

    NOTE: How much your adult dog eats depends on his size, age, build, metabolism, and activity level. Dogs are individuals, just like people, and they don't all need the same amount of food. It almost goes without saying that a highly active dog will need more than a couch potato dog. The quality of dog food you buy also makes a difference — the better the dog food, the further it will go toward nourishing your dog and the less of it you'll need to shake into your dog's bowl.

    Keep your Berner in good shape by measuring his food and feeding him twice a day rather than leaving food out all the time. If you're unsure whether he's overweight, give him the eye test and the hands-on test.

    First, look down at him. You should be able to see a waist. Then place your hands on his back, thumbs along the spine, with the fingers spread downward. You should be able to feel but not see his ribs without having to press hard. If you can't, he needs less food and more exercise.

    Berner puppies need slow, steady growth. Choose a good-quality food that's 22 to 24 percent protein and 12 to 15 percent fat.

    For more on feeding your Berner, see our guidelines for buying the right food, feeding your puppy, and feeding your adult dog.

  • Coat, Color and Grooming

    The Berner coat is gorgeous: a thick double coat with a longer outer coat and a wooly undercoat. Characteristically tricolored, the majority of the Berner's body is covered with jet-black hair with rich rust and bright white. There's usually a white marking on his chest that looks like an inverted cross, a white blaze between the eyes, and white on the tip of his tail.

    Beauty has a price, though, and in this case it's that the Berner is a shedder. He sheds moderately all year and heavily in the spring and fall. Brushing several times a week helps reduce the amount of hair around the house and keeps the coat clean and tangle-free. Periodic bathing, every three months or so, will maintain his neat appearance.

    Brush your Berner's teeth at least two or three times a week to remove tartar buildup and the bacteria that lurk inside it. Daily brushing is even better if you want to prevent gum disease and bad breath.

    Trim nails once a month if your dog doesn't wear them down naturally to prevent painful tears and other problems. If you can hear them clicking on the floor, they're too long. Dog toenails have blood vessels in them, and if you cut too far you can cause bleeding — and your dog may not cooperate the next time he sees the nail clippers come out. So, if you're not experienced trimming dog nails, ask a vet or groomer for pointers.

    His ears should be checked weekly for redness or a bad odor, which can indicate an infection. When you check your dog's ears, wipe them out with a cotton ball dampened with gentle, pH-balanced ear cleaner to help prevent infections. Don't insert anything into the ear canal; just clean the outer ear.

    Begin accustoming your Berner to being brushed and examined when he's a puppy. Handle his paws frequently — dogs are touchy about their feet — and look inside his mouth. Make grooming a positive experience filled with praise and rewards, and you'll lay the groundwork for easy veterinary exams and other handling when he's an adult.

    As you groom, check for sores, rashes, or signs of infection such as redness, tenderness, or inflammation on the skin, in the nose, mouth, and eyes, and on the feet. Eyes should be clear, with no redness or discharge. Your careful weekly exam will help you spot potential health problems early.

  • Children and other pets

    The Berner is an excellent family pet, and he's usually gentle and affectionate with children who are kind and careful with animals. Being so large, he can inadvertently bump or knock over very young or small children.

    As with every breed, you should always teach children how to approach and touch dogs, and always supervise any interactions between dogs and young children to prevent any biting or ear or tail pulling on the part of either party. Teach your child never to approach any dog while he's eating or sleeping or to try to take the dog's food away. No dog, no matter how friendly, should ever be left unsupervised with a child.

    The Berner gets along with other pets well, though the greater the size difference, the more supervision and training required to keep everyone safe.

  • Rescue Groups

    Berners are often purchased without any clear understanding of what goes into owning one. There are many Berners in need of adoption and or fostering. There are a number of rescues that we have not listed. If you don't see a rescue listed for your area, contact the national breed club or a local breed club and they can point you toward a Berners rescue.

  • Breed Organizations

    Below are breed clubs, organizations, and associations where you can find additional information about the Bernese Mountain Dog.

  • All Breed Characteristics

  • Adaptability

    Measures how well this breed potentially adapts to different environments

  • Trainability

    Measures the amount and difficulty of training potentially required for this breed

  • Health & Grooming

    Measures how much effort this breed potentially needs to keep a tidy hound and home

  • All-around friendliness

    Measures this breed's potential to get along with other dogs and humans

  • Exercise needs

    Measures this breed's potential to require lots of physical activity

  • Not usually

    Adapt well to apartment living

    Contrary to popular belief, small size doesn't necessarily an apartment dog make -- plenty of small dogs are too high-energy and yappy for life in a high-rise. Being quiet, low energy, fairly calm indoors, and polite with the other residents, are all good qualities in an apartment dog.

  • Extremely

    Affectionate with family

    Some breeds are independent and aloof, even if they've been raised by the same person since puppyhood; others bond closely to one person and are indifferent to everyone else; and some shower the whole family with affection. Breed isn't the only factor that goes into affection levels; dogs who were raised inside a home with people around feel more comfortable with humans and bond more easily.

  • A lot!

    Amount of shedding

    If you're going to share your home with a dog, you'll need to deal with some level of dog hair on your clothes and in your house. However, shedding does vary greatly among the breeds: Some dogs shed year-round, some "blow" seasonally -- produce a snowstorm of loose hair -- some do both, and some shed hardly at all. If you're a neatnik you'll need to either pick a low-shedding breed, or relax your standards.

  • Extremely

    Dog friendly

    Friendliness toward dogs and friendliness toward humans are two completely different things. Some dogs may attack or try to dominate other dogs even if they're love-bugs with people; others would rather play than fight; and some will turn tail and run. Breed isn't the only factor; dogs who lived with their littermates and mother until at least 6 to 8 weeks of age, and who spent lots of time playing with other dogs during puppyhood, are more likely to have good canine social skills.

  • Very high

    Drooling potential

    Drool-prone dogs may drape ropes of slobber on your arm and leave big, wet spots on your clothes when they come over to say hello. If you've got a laid-back attitude toward slobber, fine; but if you're a neatnik, you may want to choose a dog that rates low in the drool department.

  • Not particularly

    Easy to groom

    Some breeds are brush-and-go dogs; others require regular bathing, clipping, and other grooming just to stay clean and healthy. Consider whether you have the time and patience for a dog that needs a lot of grooming, or the money to pay someone else to do it.

  • Very

    Easy to train

    Easy to train dogs are more adept at forming an association between a prompt (such as the word "sit"), an action (sitting), and a consequence (getting a treat) very quickly. Other dogs need more time, patience, and repetition during training. Many breeds are intelligent but approach training with a "What's in it for me?" attitude, in which case you'll need to use rewards and games to teach them to want to comply with your requests.

  • Low

    Energy level

    High-energy dogs are always ready and waiting for action. Originally bred to perform a canine job of some sort, such as retrieving game for hunters or herding livestock, they have the stamina to put in a full workday. They need a significant amount of exercise and mental stimulation, and they're more likely to spend time jumping, playing, and investigating any new sights and smells. Low-energy dogs are the canine equivalent of a couch potato, content to doze the day away. When picking a breed, consider your own activity level and lifestyle, and think about whether you'll find a frisky, energetic dog invigorating or annoying.

  • Low

    Exercise needs

    Some breeds do fine with a slow evening stroll around the block. Others need daily, vigorous exercise -- especially those that were originally bred for physically demanding jobs, such as herding or hunting. Without enough exercise, these breeds may put on weight and vent their pent-up energy in ways you don't like, such as barking, chewing, and digging. Breeds that need a lot of exercise are good for outdoorsy, active people, or those interested in training their dog to compete in a high-energy dog sport, such as agility.

  • Usually

    Friendly toward strangers

    Stranger-friendly dogs will greet guests with a wagging tail and a nuzzle; others are shy, indifferent, or even aggressive. However, no matter what the breed, a dog who was exposed to lots of different types, ages, sizes, and shapes of people as a puppy will respond better to strangers as an adult.

  • Not particularly good

    General health

    Due to poor breeding practices, some breeds are prone to certain genetic health problems, such as hip dysplasia. This doesn't mean that every dog of that breed will develop those diseases; it just means that they're at an increased risk. If you're buying a puppy, it's a good idea to find out which genetic illnesses are common to the breed you're interested in, so you can ask the breeder about the physical health of your potential pup's parents and other relatives.

  • Usually

    Good for novice owners

    Some dogs are simply easier than others: they take to training better and are fairly easygoing. They're also resilient enough to bounce back from your mistakes or inconsistencies. Dogs who are highly sensitive, independent thinking, or assertive may be harder for a first-time owner to manage. You'll get your best match if you take your dog-owning experience into account as you choose your new pooch.

  • Medium

    Intelligence

    Dogs who were bred for jobs that require decision making, intelligence, and concentration, such as herding livestock, need to exercise their brains, just as dogs who were bred to run all day need to exercise their bodies. If they don't get the mental stimulation they need, they'll make their own work -- usually with projects you won't like, such as digging and chewing. Obedience training and interactive dog toys are good ways to give a dog a brain workout, as are dog sports and careers, such as agility and search and rescue.

  • High

    Intensity

    A vigorous dog may or may not be high-energy, but everything he does, he does with vigor: he strains on the leash (until you train him not to), tries to plow through obstacles, and even eats and drinks with great big gulps. These dynamos need lots of training to learn good manners, and may not be the best fit for a home with young kids or someone who's elderly or frail. A low-vigor dog, on the other hand, has a more subdued approach to life.

  • Extremely

    Kid friendly

    Being gentle with children, sturdy enough to handle the heavy-handed pets and hugs they can dish out, and having a blasé attitude toward running, screaming children are all traits that make a kid-friendly dog. You may be surprised by who's on that list: Fierce-looking Boxers are considered good with children, as are American Staffordshire Terriers (aka pit bulls). Small, delicate, and potentially snappy dogs such as Chihuahuas aren't so family-friendly.

    **All dogs are individuals. Our ratings are generalizations, and they're not a guarantee of how any breed or individual dog will behave. Dogs from any breed can be good with children based on their past experiences, training on how to get along with kids, and personality. No matter what the breed or breed type, all dogs have strong jaws, sharp pointy teeth, and may bite in stressful circumstances. Young children and dogs of any breed should always be supervised by an adult and never left alone together, period.

  • Medium

    Potential for mouthiness

    Common in most breeds during puppyhood and in retriever breeds at all ages, mouthiness means a tendency to nip, chew, and play-bite (a soft, fairly painless bite that doesn't puncture the skin). Mouthy dogs are more likely to use their mouths to hold or "herd" their human family members, and they need training to learn that it's fine to gnaw on chew toys, but not on people. Mouthy breeds tend to really enjoy a game of fetch, as well as a good chew on a chew toy that's been stuffed with kibble and treats.

  • Moderate

    Potential for playfulness

    Some dogs are perpetual puppies -- always begging for a game -- while others are more serious and sedate. Although a playful pup sounds endearing, consider how many games of fetch or tag you want to play each day, and whether you have kids or other dogs who can stand in as playmates for the dog.

  • High

    Potential for weight gain

    Some breeds have hearty appetites and tend to put on weight easily. As in humans, being overweight can cause health problems in dogs. If you pick a breed that's prone to packing on pounds, you'll need to limit treats, make sure he gets enough exercise, and measure out his daily kibble in regular meals rather than leaving food out all the time.

  • High

    Prey drive

    Dogs that were bred to hunt, such as terriers, have an inborn desire to chase and sometimes kill other animals. Anything whizzing by -- cats, squirrels, perhaps even cars -- can trigger that instinct. Dogs that like to chase need to be leashed or kept in a fenced area when outdoors, and you'll need a high, secure fence in your yard. These breeds generally aren't a good fit for homes with smaller pets that can look like prey, such as cats, hamsters, or small dogs. Breeds that were originally used for bird hunting, on the other hand, generally won't chase, but you'll probably have a hard time getting their attention when there are birds flying by.

  • Moderate

    Sensitivity level

    Some dogs will let a stern reprimand roll off their backs, while others take even a dirty look to heart. Low-sensitivity dogs, also called "easygoing," "tolerant," "resilient," and even "thick-skinned," can better handle a noisy, chaotic household, a louder or more assertive owner, and an inconsistent or variable routine. Do you have young kids, throw lots of dinner parties, play in a garage band, or lead a hectic life? Go with a low-sensitivity dog.

  • Extra Large

    Size

    Dogs come in all sizes, from the world's smallest pooch, the Chihuahua, to the towering Great Dane, how much space a dog takes up is a key factor in deciding if he is compatible with you and your living space.

  • Moderate

    Tendency to bark or howl

    Some breeds sound off more often than others. When choosing a breed, think about how the dog vocalizes — with barks or howls — and how often. If you're considering a hound, would you find their trademark howls musical or maddening? If you're considering a watchdog, will a city full of suspicious "strangers" put him on permanent alert? Will the local wildlife literally drive your dog wild? Do you live in housing with noise restrictions? Do you have neighbors nearby?

  • Not particularly well

    Tolerates being alone

    Some breeds bond very closely with their family and are more prone to worry or even panic when left alone by their owner. An anxious dog can be very destructive, barking, whining, chewing, and otherwise causing mayhem. These breeds do best when a family member is home during the day or if you can take the dog to work.

  • Very well

    Tolerates cold weather

    Breeds with very short coats and little or no undercoat or body fat, such as Greyhounds, are vulnerable to the cold. Dogs with a low cold tolerance need to live inside in cool climates and should have a jacket or sweater for chilly walks.

  • Very poorly

    Tolerates hot weather

    Dogs with thick, double coats are more vulnerable to overheating. So are breeds with short noses, like Bulldogs or Pugs, since they can't pant as well to cool themselves off. If you want a heat-sensitive breed, the dog will need to stay indoors with you on warm or humid days, and you'll need to be extra cautious about exercising your dog in the heat.

  • Low

    Wanderlust potential

    Some breeds are more free-spirited than others. Nordic dogs such as Siberian Huskies were bred to range long distances, and given the chance, they'll take off after anything that catches their interest. And many hounds simply must follow their noses, or that bunny that just ran across the path, even if it means leaving you behind.

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