Playful
Stubborn
Clownish
Courageous
Intelligent
Friendly
Affectionate
Obedient
Loyal
Lively
Gentle
Strong
Willed
Aggressive

Dominant
Intelligent

American Boston Bull Terriers are moderate shedders, but regular brushing can reduce shedding and maintain coat health.

Cao Fila de Sao Miguels are low shedding dogs, requiring minimal coat care.

American Boston Bull Terriers make excellent watchdogs - they're vocal and protective of their territory.

Choose a Cao Fila de Sao Miguel if you want a top-notch watchdog. This breed takes guarding seriously, and may not require much training, though obedience or guard dog training can improve their skills.

United States

Azores

Boston Terrier, American Pit Bull Terrier

Ancient Molosser Breed

ACHC = American Canine Hybrid Club
DDKC = Designer Dogs Kennel Club
DRA = Dog Registry of America, Inc.

American Canine Registry
America's Pet Registry
Canadian Kennel Club
Dog Registry of America Inc.
Federation Cynologique Internationale
National Kennel Club
American Canine Association, Inc.

1990s

Ancient Times

American Boston Bull Terriers are known for their adaptability and can adjust well to different environments and lifestyle changes.

Cao Fila de Sao Miguels have average adaptability to changes in lifestyle and living environments compared to other breeds.

While the American Boston Bull Terrier breed is generally healthy, occasional vet check-ups are still necessary to address any health concerns.

The Cao Fila de Sao Miguel breed is generally very healthy, requiring minimal vet visits. Still, it's important to keep an eye on their health and seek veterinary care when needed.

American Boston Bull Terriers are suitable for those with a balanced lifestyle as they have an average energy level.

Cao Fila de Sao Miguels thrive on an active lifestyle due to their high-energy nature.

American Boston Bull Terriers sleep less than other breeds but still need adequate sleep for good health.

Cao Fila de Sao Miguels are active and require sufficient sleep to stay healthy.

American Boston Bull Terrier dogs are generally less vocal than other breeds and only bark when necessary, such as to alert their owner or communicate.

Cao Fila de Sao Miguel dogs bark and howl frequently and are not recommended for quiet homes.

The American Boston Bull Terrier is a low-maintenance breed that doesn't require much grooming.

The Cao Fila de Sao Miguel has low grooming needs and is easy to maintain.

This breed is sensitive to its environment and best suited for patient and understanding families with a consistent routine.

Cao Fila de Sao Miguels are easygoing, low-sensitivity dogs that make low-maintenance and stress-free pets.

The American Boston Bull Terrier is a great apartment dog, thriving with sufficient exercise and time outside as part of their daily routine.

The Cao Fila de Sao Miguel is not suitable for apartments and requires a large yard to thrive. Pent-up energy in small spaces can lead to destructive behavior.

American Boston Bull Terriers are average in their friendliness toward cats and tend to do well with them, especially if raised together.

Cao Fila de Sao Miguels are good with cats, but early training is needed to prevent chasing behavior.

American Boston Bull Terriers are average in their friendliness towards other dogs, and socialization can help.

Cao Fila de Sao Miguels are friendly and active companions, and can be good family pets, though their friendliness towards other dogs may vary.

American Boston Bull Terriers are friendly but may bark at strangers, and training is easy due to their intelligence.

Cao Fila de Sao Miguels are quick to announce strangers and can be standoffish or suspicious.