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American Bully versus Other Bully Breeds – Ancestors and Differences

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Published on
Monday 4 November 2019
Last updated on
Tuesday 9 May 2023
American Bully versus Other Bully Breeds
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Did you know that the American Bully is the mix of four of the strongest breeds in the world? That is why we are going to compare the American bully versus other bully breeds, so you can see what makes it special and different. Although they look similar and share similar ancestors, they have key differences that we will point out throughout the article.

We are going to go deep into the bully breed to help you determine if the American bully is the right choice for you, or instead of the other bully dogs are more appropriate for your needs and expectations.

If you are searching for Bully puppies, check out our listing of the most popular and influential American Bully kennels to date, including Remyline, Gottiline, and more.

The American Bully

The American Bully is one of the latest formed companion dog breeds (recognized by the United Kennel Club since July 15, 2013) and it features a powerful and sturdy body, which is paired with a surprisingly loving, friendly and zesty temperament.

In addition, it is very important to remark that American Bullies are not Pit Bulls. They are two different types of dogs, although there is some pit bull blood within most American Bullies.


The American Bully is the result of exhaustive selective breeding by combining the best features of American Staffordshire Terriers and the American Pit Bull Terriers. They are the official ancestors of this breed.

Nonetheless, as mentioned in the introduction, there are other breeds that might have gotten into the mix, such as the Olde English Bulldogge, the English Bulldog, and the American Bulldog.


Nonetheless, some breeders have incorporated other bully and non-bully breeds. The easiest way to detect it is the temperament. If the specimen is aggressive, then it might have non-bully dog breeds in its lineage.


The American Bully is a clear definition of strength and power. With a sturdy, wide and strong complexion, which displays outstanding muscle tone, it is easy to understand why. Below you will find more info along with appearance standards.


Officially, there are four recognized types of American Bully. Below you will find the size info for each one.

Type Height Weight
Standard Male: 17 to 20 inches
Female: 16 to 19 inches
From 70 to 120 pounds (it depends on build)
Pocket Male: 14 to 17 inches
Female: 13 to 16 inches
From 60 to 80 pounds
XL Male: 20 to 23 inches
Female: 19 to 22 inches
Up to 150 pounds (depends on build)
Classic Male: 17 to 20 inches
Female: 16 to 19 inches (Nonetheless, it has a narrower frame and it is less muscular)
Male: 30 to 55 pounds
Female: 30 to 55 pounds


Here we will review in brief the most important physical standards of this breed:

  • Body: Muscular, athletic, powerful and sturdy
  • Head: Broad skull and a deep head of medium length
  • Eyes: Oval to almond shape. Acceptable in all colors except for albinism
  • Ears: The ears are set high
  • Shoulders: Very wide shoulder blades
  • Back: Shorter than average, one of the most remarkable features of this breed
  • Chest: Wide and deep, and the ribs are rounded
  • Coat: Glossy, short and stiff. It comes in all colors, except for Merle (it is not acceptable)


The American Bully is a mix of confidence and braveness, combined with a friendly, loving and pleasant temperament. Therefore, it is an ideal family dog because it is not aggressive and loves to please its owners.

Furthermore, this breed is very intelligent, and due to their desire to please, they receive and accept training without problems. Nonetheless, despite all the efforts of breeders, this breed still has temperamental issues with other animals.

Health Issues

The American Bully breed is susceptible to the following problems:

  • Elbow dysplasia
  • Hip dysplasia
  • Luxating patella
  • Cerebellar Abiotrophy
  • Cataracts
  • Progressive Retinal Atrophy
  • Demodicosis
  • Atopy
  • Hypothyroidism

Now let us compare it to other popular breeds to mark a clear difference between the American Bully and them.

differences between amstaff, pitbull and bully.
The American Bully is bullier, less terrier than the Am Staff and the APBT.

American Bully vs. American Pit Bull Terrier

They are two different breeds, even though some people still think that American Bullies belong to the same family. Below you will find the main differences.


As we have seen, one of the ancestors of the American Bully is the American Pit Bull Terrier (AKC), but they are two different breeds. The ancestor of the American Pit Bull Terrier is the extinct dog type known as Bulls and Terriers, which came from the British isles.

Therefore, this breed was brought in America by English immigrants in the 19th century. Thanks to its best traits, it was used in the breeding of the recently standardized breed known as the American Bully.


From a first look, they have clear differences in terms of appearance. Below you will find a complete recap.


In terms of size, the American Pit Bull Terrier is smaller and less muscular. These are the official stats:

Gender Weight Height
Male 35 to 60 pounds 15 to 20 inches
Female 30 to 50 pounds 14 to 29 inches

When compared against the regular American Bully in terms of weight, it is easy to see the difference because a specimen of this breed can weigh as much as 120 pounds.

Physical Features

Let us also compare different physical features to fully appreciate the unique traits that set each breed apart from each other.

  • Body: Muscular and athletic, but significantly narrower than the American Bully
  • Head: Broad and large, resembles a blunt wedge from the front
  • Eyes: Circular eyes, whereas the American Bully has almond-shaped eyes
  • Ears: Set high (similarity)
  • Shoulders: Strong and powerful, equipped with a high concentration of muscles-per-pound
  • Back: Muscular and well-developed
  • Chest: Wide and broad chest, but smaller than the American Bully
  • Coat: The coat is similar because it is glossy, short and stiff. It comes in practically all colors, but mainly brindle, white, black and blue



They are very affectionate and loving since their breed is people-oriented. Nonetheless, it has a strong prey drive, which is similar to the American Bully. Both breeds are excellent family dogs since they love children and adults alike.

American Bully vs. Bull Terrier

Two powerful breeds but with remarkable differences. Even though they share a common ancestry, we are going to point out what features make each breed unique.


The Bull Terrier breed is older because the first registers come from the 19th century. They were bred to fight and their ancestors are the several Bull and Terrier crosses. In consequence, we can name the Manchester terrier and the Olde type of bulldog as its ancestors, but there are more.

According to history, this breed also received an infusion of Dalmatian blood to bring it its characteristic appearance. Furthermore, other possible ancestors include the Greyhound, the Spanish pointer, the Foxhound and the Whippet.

In conclusion, the Bull Terrier is an older breed with a richer selection of ancestors.


Now that we have reviewed in short all the ancestry of this breed, let us check the difference in terms of appearance.


They come in two different sizes, and although they are powerful and packed with plenty of muscle mass, they are significantly smaller than the American Bully.

Standard Male: 55 to 65 pounds
Female: 45 to 55 pounds
Male: 21 to 22 inches
Female: 20 to 21 inches
Miniature Male: 28 to 33 pounds
Female: 25 to 30 pounds
Male: 13 inches
Female: 12 inches

In terms of height, the standard Bull Terrier stands as the tallest. Nonetheless, in terms of weight, it cannot compare. The American Bully, at a minimum, weighs 70 pounds, whereas the maximum weight of a male Bull Terrier is 65 pounds.

Physical Features

Let us review key physical features, to identify notorious differences

  • Body: Powerful, sporty and muscular, but smaller frame
  • Head: Egg-shaped and exuberant. Evidently different than the broad head of the American Bully
  • Eyes: Sunken and dark, completely different to the American Bully’s eye which is oval and more expressive
  • Ears: Thin, small and closed together
  • Shoulders: Strong and powerful, equipped with a high concentration of muscles-per-pound
  • Back: Thinner than the American Bully, but yet it exhibits power
  • Chest: Deep and wide, especially from whithers to brisket
  • Coat: Short, rough and flat. Similar to the American Bully, it is glossy. The coat is white but the markings are normal


Unlike the American Bully, they have aggressive tendencies. That is why early training is essential for their development. Although, when provided with training, it is a lovely and excellent dog for families.

The Different Types of American bullies
The different varieties of American Bullies.

American Bully vs. Staffordshire Terrier

The American Staffordshire Terrier, not to be confused with the Staffordshire Bull Terrier, is one of the breeds that gave origin to the American Bully. Nonetheless, it is more similar to the American Pit Bull Terrier. They share almost identical features. We will review them all below.


We can trace back the origins of this breed to the 19th century because it was a dog bred for fighting. The main ancestors of the Am Staff are the olde English bulldog and several terriers, to unite desirable traits such as tolerance to pain, quicker reactions, and drive.

In conclusion, it is an older breed because it has given origin to the American Bully, which became a recognized breed in 1990, whereas the Amstaff gained AKC recognition in 1931.


Similar to the American Pit Bull Terrier, these breeds have specific differences in terms of appearance.


It has a strong, powerful and athletic build, but as we are going to see, it is still smaller than the American Bully.

Male55 to 70 pounds18 to 19 inches
Female40 to 55 pounds17 to 18 inches

When compared against the standard American Bully, the difference is evident. A normal male specimen stands at 20 inches tall and weighs an average of 90 pounds, which greatly overcomes the size measures of the American Staffordshire Terrier.

Physical Features

Let us check what physical features differ from each breed.

  • Body: Muscular and strong, and although smaller than the American Bully, it exhibits a more agile and athletic build
  • Head: Broad with pronounced cheeks
  • Eyes: Round and dark
  • Ears: Set high
  • Shoulders: Wide and strong, with the blades sloping and wide
  • Back: Very short and the loins are slightly tucked
  • Chest: Wide and deep
  • Coat: Short, stiff and close, very similar to the American Bully. All colors are acceptable.


This dog is confident yet loving and loves to please its owners. Therefore, they are good-natured and dependable, and in consequence, they are good family dogs. Nonetheless, they require early training to avoid potential aggressive tendencies.

American Bully vs. English Bulldog

The English Bulldog has a lot of history in common with the American Bully, but they are different breeds. Below you will find our complete comparison.



This breed is much older than the American Bully. For example, the first registers of the ancestors of the Bulldog come from the time of the Ancient Romans (31 B.C. to 476 B.C.), because they describe a dog with a wide mouth and a fiery temperament that helped soldiers in battle.

Historians affirm that these references were meant for the Alaunt dogs. Therefore, we can conclude that the main ancestor of the Bulldog is the Alaunt, specifically the working dog line.

It is also worth mentioning that some breeders believe that the Asiatic Mastiff is another ancestor. Nonetheless, this affirmation is subject to controversy.

Nonetheless, it is worth mentioning that the English bulldog has very low genetic diversity, which is due to a small founding population and possible artificial genetic bottlenecks resulting in a small gene pool.

This breed was widely used in bloody sports such as bull-baiting, and therefore, it was used to breed fighting dogs, due to its tenacious, fiery and brave temperament.


The American Bully is notoriously different. Nonetheless, below we prepared a complete summary of the physical differences between American Bullies and Bulldogs.


Gender Weight Height
Male 53 to 55 pounds 14 to 15 inches
Female 49 to 51 pounds 14 to 15 inches

Based on these measures, it is easy to see that the American Bully is notoriously bigger. Furthermore, the English bulldog has a chubbier contexture, whereas the American Bully is far more muscular and has a stronger and chiseled complexion.

Physical Features

To deepen our analysis, let us check the principal physical features of this breed versus the American Bully.

  • Body: Sturdy limbs, dense complexion, and strong build. Nonetheless, it is chubbier when compared to the American Bully
  • Head: Spherical and large, notorious for its wrinkled face
  • Eyes: Round and moderate in size
  • Ears: Set high
  • Shoulders: Wide and strong
  • Back: Notoriously barreled and slightly arched
  • Chest: Wide and deep
  • Coat: Stiff, short, smooth and close. The accepted colors are white, red, fallow, fawn and combinations of the aforementioned options


The English bulldog is docile, gentle, dependable and sweet. They are people-oriented like American Bullies, and therefore, they need plenty of attention and affection.

Nonetheless, it is worth mentioning that they are wary of strangers and other dogs. Therefore, early socialization and training are key for the correct development of their temperament.

American Bully vs. Olde English Bulldogge

The Olde English Bulldogge is a powerhouse of a dog. Let us review in a complete fashion the main differences with the American Bully.


We can trace back the ancestors of the Olde English Bulldogge between 1600 and 1700. Therefore, we can categorize the molossoids and the bandogges as the main ancestors.

Nonetheless, it was just recognized as a breed by the UKC in January 2014. This dog was bred to recreate a dog that existed centuries ago. However, they changed their temperament because such a dog was used for controlling livestock and for participating in blood sports such as bull-baiting.


The Olde English Bulldogge is strong and powerful just like the ferocious dog from centuries ago. Below you will find more info about its appearance and how it compares against the American Bully.


Gender Weight Height
Male 65 to 85 pounds 18 to 20 inches
Female 50 to 70 pounds 17 to 19 inches

Although it is stocky and sturdy, the American Bully is still the bigger dog since it stands taller and heavier at an average of 90 pounds. In the case of the standard, it can reach up to 120 pounds, whereas the American Bully XL can weigh as much as 150 pounds.

Physical Features

Let us also review the most notorious physical features in comparison to the American Bully.

  • Body: The body is cobby and strong, due to its stocky legs and powerful neck
  • Head: The head is spherical and large, notoriously wrinkled
  • Eyes: Medium-sized and round or almond-shaped
  • Ears: Set high and as wide as possible on the outside of the skull
  • Shoulders: Muscular and wide
  • Back: Wide and muscular
  • Chest: Wide and deep, with a muscular brisket
  • Coat: Medium in density, short and close. It is glossy as well. It can come in different colors including fawn, red, white and red
Olde English Bulldogge breeds
Olde English Bulldogge should not be confused with the Bantam Bulldogge, Banter Bulldogge, Olde Boston Bulldogge, or even the Alapaha Blue Blood Bulldog.


Its temperament is stable, loyal and courageous. They are very affectionate and especially friendly towards children, who they will protect no matter what. They are also very outgoing and love to please. In consequence, they are ideal family dogs.


Now you know principal differences of the American bully versus other bully breeds. As you have seen, they have key similarities, especially in the temperament and muscular build, but also differences such as:

  • the form of the head,
  • the muscle density,
  • their coat, and
  • their eyes.

They also have different health issues and potential genetic defects. Nonetheless, to ensure that you get a healthy specimen, it is essential to screen the breeders beforehand and to request all the health tests that address the principal health issues of the breed.

Furthermore, early training and socialization are key for developing the correct character in any bully breed. Pairing this with proper nutrition since they are puppies will allow you to have an amazing family dog that will live and love to please you.

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