Boston Terrier vs Old English Sheepdog
A side-by-side comparison to help you find the right breed for your lifestyle.

Boston Terrier
Also known as: American Gentleman, Boston Bull, Boston Bull Terrier
The Boston Terrier is a compact, tuxedo-marked companion known as the 'American Gentleman' for its polite demeanor. Originally bred in Boston from English Bulldogs and White English Terriers, this breed transitioned from pit fighter to beloved family companion. They're adaptable, affectionate, and perfect for apartment living - but come with significant health considerations.
Small
Medium
11-13 yrs
38-43 cm

Old English Sheepdog
The Old English Sheepdog is a large, shaggy herding breed known for its distinctive shaggy double coat and gentle, playful disposition. Originally bred in England for driving cattle and sheep, this affectionate and intelligent breed is also a beloved family companion.
Extra Large
High
10-12 years yrs
56+ cm cm
Quick Comparison
| Trait | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Energy | ||
| Trainability | ||
| Grooming Needs | ||
| Family Friendly | ||
| Independence |
Key Characteristics
| Good with Kids | ||
| Good with Dogs | ||
| Good with Cats | ||
| Hypoallergenic | ||
| Apartment Friendly | ||
| First-Time Owner OK |
| Detail | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Size | Small | Extra Large |
| Energy Level | Medium | High |
| Grooming | Low | High |
| Trainability | Easy | challenging |
| Barking Level | Low | High |
| Shedding Level | Low | Low |
| Chew strength | Moderate | Moderate |
| Housing | Apartment | Yard |
Owner Fit & Decision Guide
Owner Match
| Trait | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Experience Level | Beginner | Experienced |
| First-Time Owner | ||
| Ideal Owner | Apartment dweller, work-from-home professional, retiree, or anyone wanting an affectionate companion who can handle a gassy, snoring shadow | Active individual or family who can provide adequate exercise and training for a Old English Sheepdog. |
Boston Terrier Dealbreakers
- Want a running partner (heat intolerance)
- Away from home 8+ hours daily (separation anxiety)
- Cannot afford pet insurance or $2,000 emergency fund
- Repulsed by snoring or flatulence
Old English Sheepdog Dealbreakers
- Cannot meet 90-120 min daily exercise
- Cannot commit to grooming needs
Surrender Risk
| Factor | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Risk Level | Low | Medium |
| Primary Reasons | Health/Financial - cannot afford surgery for knees or management of severe allergies, Housing - landlord restrictions or moving to unsuitable climate, Underestimating flatulence and snoring | Underestimated exercise needs, Behavioral challenges, Cost of care |
Temperament & Personality
Behavior Comparison
| Trait | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Prey Drive | ||
| Watchdog Ability | ||
| Stranger Friendly | ||
| Drool Level | ||
| Wanderlust |
Vocalization
| Trait | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Barking Level | Low | High |
| Howling Tendency | ||
| Whining Tendency | Low | Low |
| Separation Vocalization |
Safety & Reliability
| Trait | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Escape Artist | ||
| Dog Park Suitable | ||
| Off-Leash Reliable | ||
| Small Animal Safe | ||
| Leash Reactivity | ||
| Resource Guarding Risk | Low | Low |
Boston Terrier Social Traits
None
Generally good with other dogs, some male posturing with intact males
Old English Sheepdog Social Traits
Moderate
Generally friendly
Training
Boston Terrier
- They are sensitive - harsh corrections cause them to shut down
- Use their high food motivation to your advantage
- Be consistent - don't tolerate jumping/nipping just because they're small
Old English Sheepdog
- Keep training sessions short and varied
Boston Terrier Considerations
Boston Terriers are extreme 'Velcro dogs' that bond intensely. Left alone for more than 4-6 hours, they develop destructive chewing, house soiling, and persistent vocalization. Not suitable if all adults work full-time away from home.
It is impossible to overstate this issue. Their brachycephalic anatomy causes them to swallow air while eating, resulting in frequent, potent gas. If flatulence repulses you rather than amuses you, this is NOT your breed.
Their shortened airways prevent efficient panting. They are at HIGH RISK of heatstroke at temperatures above 25°C (77°F). Air conditioning is a requirement, not a luxury. You cannot take them jogging or hiking in summer.
Expect loud snoring, snorting, and episodes of reverse sneezing that sound like the dog is choking. If you need silence to sleep, this breed is not for you.
Old English Sheepdog Considerations
This is a "Velcro" breed in the truest sense. They were bred to work closely with shepherds and drovers, never straying far. In a modern home, this translates to a dog that may panic when left alone. Destructive chewing, howling, and house soiling are common symptoms of distress if isolation training is not started immediately in puppyhood.
The OES has a unique, ringing bark often described as "two pots clanging together." It is loud, deep, and can become a nuisance. They are alert watchdogs and will vocalize at delivery trucks, neighbors, and squirrels. This makes them poor candidates for apartments with noise restrictions.
As a drover's dog, the OES controls movement. In a family setting, this often manifests as nipping at the heels of running children or "body checking" people to move them. While not aggressive, this behavior can be frightening for toddlers and annoying for guests.
While generally social, some OES lines—particularly males—can develop aggression toward other dogs of the same sex around social maturity (18-24 months). This requires vigilant management in multi-dog households.
Multi-Species Compatibility
| Species | Boston Terrier | Old English Sheepdog |
|---|---|---|
| With Cats | Excellent - generally great with cats, especially if introduced young | Generally safe with proper introduction |
| Small Mammals | Caution - may retain terrier ratting instincts with hamsters/guinea pigs | Supervision required |
| Birds / Reptiles | Caution - should not be trusted alone with free-roaming birds | Caution advised |
Advanced Behavior
| Trait | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Predatory Sequence Risk | Arrested | Medium |
| Biddability | High | Low |
| Noise Sensitivity | Low | Low |
| Territorial Barking | ||
| Same-Sex Aggression Onset | N/A | 18 months |
Boston Terrier: Predatory sequence is Eye -> Stalk -> Chase. Grab-Bite and Kill-Bite are largely inhibited, though they may still dispatch small rodents (terrier heritage).
First Year & Life Stages
First Year Challenges
| Challenge | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Puppy Difficulty | ||
| Destructive Phase | 6-12 | 6-18 |
| House Training | Medium | Moderate |
| Crate Training | High | Medium |
| Adolescent Regression |
Boston Terrier: Housetraining can be challenging due to small bladders and dislike of cold/wet weather. They're not destructive chewers by nature - main challenge is potty training.
Old English Sheepdog: Old English Sheepdog puppies require consistent training and patience.
Life Stages Timeline
| Stage | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Puppy Phase | 12 months | 12 months |
| Adolescence | 6-18 | 6-18 |
| Adult Years | 1-8 | 2-8 |
| Senior Onset | ~8 years | ~8 years |
| Peak Energy Age | 6-18 months | 1-3 years |
Size & Physical Characteristics
Physical Stats
| Measurement | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Height | 38-43 cm | 56+ cm cm |
| Weight | Not enough data yet | Not enough data yet |
| Size Category | Small | Extra Large |
| Lifespan | 11–13 years | 10–12 years |
| Litter Size | 3-5 | 4-8 |
Boston Terrier Coat
Old English Sheepdog Coat
Lineage & Origin
| Detail | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Original Purpose | Originally bred for pit fighting and ratting (weighed up to 44 lbs), rapidly refined to companion dog by late 1800s | massive, profuse coats that are nearly impossible for a pet owner to maintain without cutting |
| Origin | Boston, Massachusetts, USA, late 19th century (English Bulldog x White English Terrier) | predators |
Breeding Details
| Detail | Boston Terrier | Old English Sheepdog |
|---|---|---|
| C-Section Rate | 92% | Varies |
| Whelping Difficulty | Extreme | Medium |
| Puppy Mortality Rate | Medium | Low |
Physical Risks
| Risk | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Bloat / GDV Risk | Low | Low |
| Slippery Floor Risk | Low | Low |
| Min Fence Height | 1.2m | 1.5m |
| Dig / Escape Risk | None | Low |
Health & Common Conditions
Boston Terrier Health Issues
Old English Sheepdog Health Issues
Boston Terrier Suggested Tests
- JHC (Juvenile Hereditary Cataracts) DNA Test - CRITICAL
- BOAS Assessment (functional breathing test)
- Patella Evaluation
- Ophthalmologist Evaluation
- Cardiac Exam
Old English Sheepdog Suggested Tests
- OFA/PennHIP certificates (Hip Dysplasia)
- DNA test for MDR1
- DNA test for PCD
- Annual CAER ophthalmologist exams (Hereditary Cataracts)
- Thyroid panel (Hypothyroidism)
Health Risk Overview
| Risk Factor | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Cancer Risk | Low | Medium |
| Cardiac Risk | Low | Low |
| Neurological Risk | Medium | Low |
| CCL/ACL Tear Risk | Medium | Low |
| Vet Burden Tier | High | Medium |
Sensitivities & Allergies
| Sensitivity | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Skin Allergies | ||
| Environmental Allergies | ||
| Stomach Sensitivity | High | Low |
| Food Allergies | Chicken, Grains |
Health Maintenance
| Care Item | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Nail Growth Rate | Normal | Normal |
| Eye Care Needs | High | Low |
| Anal Gland Issues | Occasional | Occasional |
Senior Care & Aging
Boston Terrier Senior Care
Common Senior Issues
- Cataracts / Nuclear Sclerosis (bluish haze)
- Arthritis (especially knees)
- Cognitive decline
Most seniors develop some form of eye cloudiness. Use ramps for furniture to protect spine and arthritic joints.
Old English Sheepdog Senior Care
Common Senior Issues
- Arthritis
- Vision decline
- Cognitive changes
Senior care varies by individual health.
Grooming & Care
Boston Terrier
low maintenanceOld English Sheepdog
high maintenanceLifestyle Compatibility
Boston Terrier Daily Life
Old English Sheepdog Daily Life
Housing & Legal Restrictions
| Restriction | Boston Terrier | Old English Sheepdog |
|---|---|---|
| BSL Restricted | ||
| Common Rental Ban | ||
| Insurance Blacklist | ||
| Weight Category | Under 25lbs | Under 50lbs |
Climate Tolerance
| Climate | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Heat Tolerance | ||
| Cold Tolerance | ||
| Water Affinity | Low | Medium |
Travel Compatibility
| Activity | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Car Travel | Good | Good |
| Camping | ||
| Beach Friendly | ||
| Hiking Rating | ||
| Cabin Flight Eligible | ||
| Hotel Friendly Size |
Niche Suitability
| Role | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Service Dog | Low | Low |
| Therapy Dog | High | Low |
| Deep Pressure Therapy | ||
| Canicross / Bikejoring | ||
| Apartment Adaptable | ||
| Tactile / Sensory Friendly | ||
| Livestock Guardian | ||
| Medical Alert | Low | Low |
Costs & Expenses
Upfront Costs
| Cost | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Purchase Price | $1,500-3,000 | N/A |
| Initial Cost Range | $1,500–$3,000 | $1,000–$2,500 |
| Cost Tier |
Ongoing Costs
| Cost | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Monthly Range | $125–$200 | $100–$180 |
| Yearly Range | $1,500–$3,000 | $1,200–$2,160 |
| Food / Month | $25-45 | $70-120 |
| Insurance / Month | $50-100 | N/A |
| Grooming / Session | $30-50 | $100-150 |
| Vet Routine / Year | $500-1,500 | N/A |
| Monthly Cost Tier |
Boston Terrier Lifetime Cost
$20,000-40,000
Old English Sheepdog Lifetime Cost
N/A
Quirks & Fun Facts
Daily Quirks
| Quirk | Boston Terrier | Old English Sheepdog |
|---|---|---|
| Snoring | ||
| Flatulence | Frequent | Occasional |
| Slobber Level | None | Low |
| Smell When Wet | Mild | Moderate |
| Zoomies Frequency | Daily (puppies) | Occasional |
| Counter Surfing | ||
| Digging Tendency | None | Low |
Boston Terrier Quirks
The Gas Factory
Expect frequent, potent flatulence due to swallowing air while eating. Slow-feeders and probiotics help reduce but never eliminate.
Reverse Sneezing
A spasm of the soft palate that sounds like a terrifying asthma attack. Usually harmless - gently massage throat to stop it.
The Sunbather
They LOVE to bake in sun patches, but must be supervised to prevent heatstroke. Their heat regulation is poor.
The Burrower
They love to sleep under blankets and will burrow into bedding. Perfect for cold nights, concerning for hot ones.
Frequently Asked Questions
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