What is a Blue Boston Terrier? A Guide to the Rare Color Variation

A Blue Boston Terrier is a unique and rare color variation of the Boston Terrier breed. These dogs are known for their striking blue coat and friendly, affectionate personalities. While the breed itself is quite popular, the Blue Boston Terrier is a relatively new and uncommon addition to the family.

Blue Boston Terriers are often mistaken for other breeds, such as the French Bulldog or the Blue Staffordshire Bull Terrier, due to their similar appearance. However, these dogs are distinct in their own right and have their own set of characteristics that set them apart from other breeds.

Despite their rarity, Blue Boston Terriers are gaining popularity among dog lovers and breeders alike. In this article, we will explore the history of the breed, their unique characteristics, and what makes them such a beloved and sought-after companion.

History of the Blue Boston Terrier

The Blue Boston Terrier is a unique and rare breed that has captured the hearts of many dog lovers. This section will explore the origins and development of this beloved breed.


The Boston Terrier, also known as the “American Gentleman,” was first bred in Boston, Massachusetts in the late 1800s. It is believed that the original Boston Terrier was a cross between an English Bulldog and a white English Terrier. The breed quickly became popular due to its friendly personality and small size.

While the Boston Terrier was originally bred to be a fighting dog, it quickly became a beloved companion animal. The breed was recognized by the American Kennel Club in 1893, and it has been a popular breed ever since.

According to the American Kennel Club (AKC), the breed standard for Boston Terriers includes the following characteristics:

  • Size: Boston Terriers should weigh no more than 25 pounds and stand between 15 and 17 inches tall at the shoulder.
  • Head: The head should be square and flat on top, with a short, wide muzzle and large, round eyes.
  • Body: The body should be short and muscular, with a level topline and a well-developed chest.
  • Coat: The coat should be short, smooth, and glossy.
  • Color: Boston Terriers come in three colors: black, brindle, and seal (a dark brown color). They may also have white markings on their chest, face, and feet.

It’s important to note that any deviation from these breed standards can result in disqualification in dog shows.

Development of the Blue Boston Terrier

The Blue Boston Terrier is a rare variation of the traditional Boston Terrier. While the traditional Boston Terrier is black and white, the Blue Boston Terrier has a unique blue-gray coat.

The Blue Boston Terrier is not a separate breed, but rather a variation of the Boston Terrier. The blue coat color is the result of a recessive gene that affects the pigmentation of the fur. While the blue coat color is rare, it is becoming more popular among Boston Terrier enthusiasts.

It is important to note that the Blue Boston Terrier is not recognized by the American Kennel Club. However, many breeders and dog lovers continue to work towards recognition of this unique and beloved breed.

Physical Characteristics

A Blue Boston Terrier is a small, compact dog breed that has a unique appearance. They are known for their adorable, bat-like ears and short, stocky build. In this section, we will discuss the physical characteristics of a Blue Boston Terrier in detail.


Blue Boston Terriers are small dogs that typically stand between 15-17 inches tall at the shoulder and weigh between 10-25 pounds. They have a muscular build and a broad chest, giving them a sturdy appearance.

Coat and Color

The coat of a Blue Boston Terrier is short, smooth, and shiny. It is usually black with white markings, but the blue variety has a blue-gray coat with white markings.

The blue-gray color is caused by a dilution gene that affects the black pigment in the coat. The white markings on the coat can appear on the chest, face, and paws.

Facial Features

The facial features of a Blue Boston Terrier are one of its most distinctive characteristics. They have a short, wrinkled muzzle and large, round eyes that give them an endearing expression.

Their ears are erect and pointed, and they are set high on the head. The breed is known for its unique “smiling” expression, which is caused by the shape of their mouth and jaw.

Temperament and Personality


Blue Boston Terriers are known for their friendly and affectionate nature. They are loyal and devoted to their owners, and they love to be around people. They are also very playful and energetic, and they enjoy playing games and going on walks with their owners.

However, they can be stubborn at times, so it is important to be patient and consistent when training them.

Blue Boston Terriers are also known for their intelligence and quick learning abilities. They can be trained to perform a variety of tasks, including obedience training, agility training, and even therapy work.

They are also good with children and other pets, making them a great addition to any family.


Training a Blue Boston Terrier requires patience and consistency. Positive reinforcement techniques, such as treats and praise, work best with this breed. It is important to start training early and to be consistent with the rules and expectations.

Socialization is also important, as it helps the dog to become more comfortable around people and other animals.

Blue Boston Terriers can be trained to perform a variety of tasks, including obedience training, agility training, and even therapy work. They are quick learners and enjoy working with their owners.

However, they can be stubborn at times, so it is important to be patient and consistent when training them.

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Socialization is important for Blue Boston Terriers, as it helps them to become more comfortable around people and other animals. It is important to expose them to a variety of people, animals, and situations from a young age. This can include trips to the park, visits to friends’ houses, and walks in busy areas.

Blue Boston Terriers are friendly and outgoing by nature, but socialization can help to prevent shyness or aggression.

It can also help to prevent separation anxiety, as the dog will learn to be comfortable in a variety of situations and around a variety of people.

Health Concerns

While Blue Boston Terriers are generally a healthy breed, like all dogs, they can be prone to certain health issues. It is important for owners to be aware of these issues to ensure their pet’s health and well-being.

Common Health Issues

One of the most common health issues that Blue Boston Terriers may face is allergies. They can develop allergies to food, environmental factors, or even flea bites.

Symptoms of allergies can include itching, redness, and skin irritation. Another common issue is breathing problems, due to their short snouts. This can lead to snoring, wheezing, and difficulty breathing, especially in hot and humid weather.

Blue Boston Terriers are also prone to eye problems, such as cataracts and glaucoma. These conditions can lead to vision loss if not treated promptly.

Additionally, they may be at risk for hip dysplasia, a condition where the hip joint does not develop properly, causing pain and mobility issues.

Preventive Measures

There are several steps owners can take to prevent or manage these health issues. Regular visits to the vet for check-ups and vaccinations can help catch any potential problems early on.

Maintaining a healthy diet and exercise routine can also help prevent obesity, which can exacerbate breathing problems and joint issues.

Owners should also be diligent in keeping their Blue Boston Terrier’s environment clean and free of potential allergens.

Regular grooming and flea prevention can help prevent allergies and skin irritation. Additionally, providing a cool and well-ventilated space for the dog to rest in can help alleviate breathing issues in hot weather.

Finally, it is important for owners to be aware of the signs and symptoms of potential health issues and seek prompt veterinary care if needed. By taking these preventive measures, owners can help ensure their Blue Boston Terrier lives a happy and healthy life.

That being said, blue Boston Terriers are considered rare. This is because the blue color is not an accepted color according to the breed standard set by the American Kennel Club.

While there are some breeders who specialize in producing blue Boston Terriers, it’s important to note that these dogs may have health issues due to the breeding process used to produce the blue color.

Therefore, if you are looking to adopt a Boston Terrier, it’s recommended to stick to the accepted colors of black, brindle, and seal.


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