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Bullmastiff vs Shetland Sheepdog vs Australian Shepherd

Three friendly breeds enter—one emerges as your best match. Use the trait grids below to spot practical differences in lifestyle fit.

Full body image of a Bullmastiff
size

Bullmastiffs are large dogs, weighing 100-130 lbs, with a height of 24-27 inches.

energy level

Bullmastiffs have a low energy level, making them suitable for a more laid-back lifestyle.

exercise needs

Bullmastiffs need regular exercise, such as daily walks and some playtime to keep them healthy.

trainability

Bullmastiffs can be trained but may require patience and consistency due to their stubborn nature.

intelligence

Bullmastiffs are moderately intelligent and can learn basic commands and tricks.

adaptability

Bullmastiffs can adapt to various living situations but may be better suited to larger homes with outdoor space.

with kids

Bullmastiffs are generally good with children, known for their gentle and patient nature.

with other pets

Bullmastiffs generally get along well with other pets, especially when properly socialized.

in cold climates

Bullmastiffs can tolerate cold climates but should be protected from extreme cold.

in hot climates

Bullmastiffs can tolerate hot climates but need extra care to stay cool and avoid overheating.

shedding

Bullmastiffs have a short coat and shed moderately, requiring regular brushing to manage shedding.

grooming

Bullmastiffs require minimal grooming, including occasional brushing and bathing to keep their coats clean and healthy.

bark tendency

Bullmastiffs bark occasionally, usually only when necessary or provoked.

health issues

Bullmastiffs may have some health issues, requiring regular veterinary checkups and preventative care.

Full body image of a Shetland Sheepdog
size

Shetland Sheepdogs are small-sized dogs, weighing 14-27 lbs, with a height of 13-16 inches.

energy level

Shetland Sheepdogs have a high energy level and enjoy regular exercise and mental stimulation.

exercise needs

Shetland Sheepdogs require regular exercise, including daily walks, playtime, and training activities to keep them engaged.

trainability

Shetland Sheepdogs are highly intelligent and easy to train, making them great for various dog sports and obedience training.

intelligence

Shetland Sheepdogs are highly intelligent and excel in learning new commands and tasks.

adaptability

Shetland Sheepdogs can adapt to various environments but prefer homes with outdoor space for exercise and playtime.

with kids

Shetland Sheepdogs are generally good with children and enjoy being part of a family.

with other pets

Shetland Sheepdogs can get along well with other pets when properly socialized.

in cold climates

Shetland Sheepdogs can tolerate cold climates due to their double-layered coats.

in hot climates

Shetland Sheepdogs can tolerate some heat, but their double-layered coats may make them uncomfortable in very hot climates.

shedding

Shetland Sheepdogs have seasonal shedding and require regular brushing to manage their double-layered coats.

grooming

Shetland Sheepdogs require regular grooming, including weekly brushing and occasional trims, to maintain their double-layered coats.

bark tendency

Shetland Sheepdogs tend to bark more frequently and may require consistent training to manage their barking.

health issues

Shetland Sheepdogs are generally healthy, but regular veterinary checkups and preventative care are still necessary.

Full body image of a Australian Shepherd
size

Australian Shepherds are medium-sized dogs, standing 18-23 inches tall and weighing 40-65 lbs.

energy level

Australian Shepherds have high energy levels, requiring plenty of exercise and mental stimulation.

exercise needs

Australian Shepherds need lots of daily exercise, including walks, runs, and activities like agility, herding, or obedience training.

trainability

Australian Shepherds are intelligent and eager to learn, making them highly trainable with positive reinforcement and consistent training.

intelligence

Australian Shepherds are highly intelligent and excel at problem-solving and learning new tasks.

adaptability

Australian Shepherds are adaptable but thrive best in an active household with space to exercise and work.

with kids

Australian Shepherds can be good with children, especially when properly socialized and supervised.

with other pets

Australian Shepherds generally get along well with other pets when properly socialized, although their herding instincts may cause them to chase or herd smaller animals.

in cold climates

Australian Shepherds have a double coat that provides insulation, allowing them to handle colder climates well.

in hot climates

Australian Shepherds can tolerate heat, but they should be provided with shade, water, and limited exercise during the hottest parts of the day.

shedding

Australian Shepherds have a double coat that sheds seasonally, requiring regular grooming to remove dead hair.

grooming

Australian Shepherds require regular grooming, including brushing at least once a week and more frequently during shedding seasons.

bark tendency

Australian Shepherds have average bark tendencies and may bark for various reasons, such as alerting their owners or during playtime.

health issues

Australian Shepherds may experience some health issues and require additional care and attention, such as regular veterinary checkups, preventative care, and potential medication or treatments.