Skip to content

Boston Terrier vs Old English Sheepdog

A side-by-side comparison to help you find the right breed for your lifestyle.

Non-SportingCompanion
Boston Terrier breed photo

Boston Terrier

Also known as: American Gentleman, Boston Bull, Boston Bull Terrier

AKCFCIKCUKCCKC

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.

Size

Small

Energy

Medium

Lifespan

11-13 yrs

Height

38-43 cm

VS
Old English Sheepdog breed photo

Old English Sheepdog

AKCFCIKC

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.

Size

Extra Large

Energy

High

Lifespan

10-12 years yrs

Height

56+ cm cm

Quick Comparison

TraitBoston TerrierOld 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
DetailBoston TerrierOld English Sheepdog
SizeSmallExtra Large
Energy LevelMediumHigh
GroomingLowHigh
TrainabilityEasychallenging
Barking LevelLowHigh
Shedding LevelLowLow
Chew strengthModerateModerate
HousingApartmentYard

Owner Fit & Decision Guide

Owner Match

TraitBoston TerrierOld English Sheepdog
Experience LevelBeginnerExperienced
First-Time Owner
Ideal OwnerApartment dweller, work-from-home professional, retiree, or anyone wanting an affectionate companion who can handle a gassy, snoring shadowActive 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

FactorBoston TerrierOld English Sheepdog
Risk LevelLowMedium
Primary ReasonsHealth/Financial - cannot afford surgery for knees or management of severe allergies, Housing - landlord restrictions or moving to unsuitable climate, Underestimating flatulence and snoringUnderestimated exercise needs, Behavioral challenges, Cost of care

Temperament & Personality

Behavior Comparison

TraitBoston TerrierOld English Sheepdog
Prey Drive
Watchdog Ability
Stranger Friendly
Drool Level
Wanderlust

Vocalization

TraitBoston TerrierOld English Sheepdog
Barking LevelLowHigh
Howling Tendency
Whining TendencyLowLow
Separation Vocalization
Boston Terrier bark triggers
Doorbell/visitors
Old English Sheepdog bark triggers
StrangersDoorbellsOther dogs

Safety & Reliability

TraitBoston TerrierOld English Sheepdog
Escape Artist
Dog Park Suitable
Off-Leash Reliable
Small Animal Safe
Leash Reactivity
Resource Guarding RiskLowLow

Boston Terrier Social Traits

Velcro Dog
One Person Dog
Handling ToleranceHigh
Stranger Wariness

None

With Other Dogs

Generally good with other dogs, some male posturing with intact males

Old English Sheepdog Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Moderate

With Other Dogs

Generally friendly

Training

Boston Terrier

MethodPositive reinforcement only
Repetitions to Learn5-15
Challenges
Housetraining can be difficult - small bladders and weather aversion'Small Dog Syndrome' - owners tolerate bad behavior because dog is small
Tips
  • 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

MethodPositive reinforcement
Challenges
Requires consistent, patient training
Tips
  • Keep training sessions short and varied

Boston Terrier Considerations

dealbreakerSeparation Anxiety Central

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.

dealbreakerThe Flatulence Factory

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.

dealbreakerHeat Intolerance (Life-Threatening)

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.

challengeThe Symphony of Snorts

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

dealbreakerSevere Separation Anxiety

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.

challengeThe "Pot-Casse" Bark

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.

challengeHerding Nipping

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.

challengeSame-Sex Aggression

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

SpeciesBoston TerrierOld English Sheepdog
With CatsExcellent - generally great with cats, especially if introduced youngGenerally safe with proper introduction
Small MammalsCaution - may retain terrier ratting instincts with hamsters/guinea pigsSupervision required
Birds / ReptilesCaution - should not be trusted alone with free-roaming birdsCaution advised

Advanced Behavior

TraitBoston TerrierOld English Sheepdog
Predatory Sequence RiskArrestedMedium
BiddabilityHighLow
Noise SensitivityLowLow
Territorial Barking
Same-Sex Aggression OnsetN/A18 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

ChallengeBoston TerrierOld English Sheepdog
Puppy Difficulty
Destructive Phase6-126-18
House TrainingMediumModerate
Crate TrainingHighMedium
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

StageBoston TerrierOld English Sheepdog
Puppy Phase12 months12 months
Adolescence6-186-18
Adult Years1-82-8
Senior Onset~8 years~8 years
Peak Energy Age6-18 months1-3 years

Size & Physical Characteristics

Physical Stats

MeasurementBoston TerrierOld English Sheepdog
Height38-43 cm56+ cm cm
WeightNot enough data yetNot enough data yet
Size CategorySmallExtra Large
Lifespan

11–13 years

10–12 years

Litter Size3-54-8

Boston Terrier Coat

Type single
Length Short
Texture smooth
Colors
Black and White (Tuxedo)Brindle and WhiteSeal and White

Old English Sheepdog Coat

Type double
Length Medium
Texture straight
Colors
Various

Lineage & Origin

DetailBoston TerrierOld English Sheepdog
Original PurposeOriginally bred for pit fighting and ratting (weighed up to 44 lbs), rapidly refined to companion dog by late 1800smassive, profuse coats that are nearly impossible for a pet owner to maintain without cutting
OriginBoston, Massachusetts, USA, late 19th century (English Bulldog x White English Terrier)predators

Breeding Details

DetailBoston TerrierOld English Sheepdog
C-Section Rate92%Varies
Whelping DifficultyExtremeMedium
Puppy Mortality RateMediumLow

Physical Risks

RiskBoston TerrierOld English Sheepdog
Bloat / GDV RiskLowLow
Slippery Floor RiskLowLow
Min Fence Height1.2m1.5m
Dig / Escape RiskNoneLow

Health & Common Conditions

Boston Terrier Health Issues

Brachycephalic Obstructive Airway Syndrome (BOAS)~62.5%
Patellar Luxation5-9%
Hemivertebrae (Spinal Deformity)Breed predisposition
Cataracts & Corneal UlcersHigh (prominent eyes)
Allergies (Atopy)Common - often lifelong management

Old English Sheepdog Health Issues

Hip Dysplasia18.5% prevalence
MDR1 Drug Sensitivity5-16% prevalence
Primary Ciliary DyskinesiaPCD
Hereditary Cataracts
Hypothyroidism

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 FactorBoston TerrierOld English Sheepdog
Cancer RiskLowMedium
Cardiac RiskLowLow
Neurological RiskMediumLow
CCL/ACL Tear RiskMediumLow
Vet Burden TierHighMedium

Sensitivities & Allergies

SensitivityBoston TerrierOld English Sheepdog
Skin Allergies
Environmental Allergies
Stomach SensitivityHighLow
Food AllergiesChicken, Grains

Health Maintenance

Care ItemBoston TerrierOld English Sheepdog
Nail Growth RateNormalNormal
Eye Care NeedsHighLow
Anal Gland IssuesOccasionalOccasional

Senior Care & Aging

Boston Terrier Senior Care

Common Senior Issues

  • Cataracts / Nuclear Sclerosis (bluish haze)
  • Arthritis (especially knees)
  • Cognitive decline
Mobility Aid LikelihoodMedium
QoL Decline Age~10 years
End of Life ComplexityMedium

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
Mobility Aid LikelihoodMedium
QoL Decline Age~10 years
End of Life ComplexityMedium

Senior care varies by individual health.

Grooming & Care

Boston Terrier

low maintenance
Coat Typesingle
Coat Lengthshort
Coat Texturesmooth
Shedding LevelLow
Seasonal SheddingLow
Ear Cleaningweekly
Dental RiskMedium
Obesity Prone
Winter Gear Needed
Summer Restrictions
Paw Protection
Odor LevelModerate (flatulence + potential yeast infections)
Tactile FeelSmooth/Silky - very pleasant to pet, no oily residue
Colors
Black and White (Tuxedo)Brindle and WhiteSeal and White

Old English Sheepdog

high maintenance
Coat Typedouble
Coat Lengthmedium
Coat Texturestraight
Shedding LevelLow
Seasonal SheddingLow
Ear Cleaningweekly
Dental RiskMedium
Obesity Prone
Winter Gear Needed
Summer Restrictions
Paw Protection
Odor LevelModerate
Tactile FeelVaries by coat type
Colors
Various

Lifestyle Compatibility

Boston Terrier Daily Life

Exercise Needs30-60 min/day
Alone TimeUp to 4h
Mental StimulationMedium
ApartmentExcellent - compact, generally quiet indoors, low barking. Ideal apartment dog.
Work from HomeExcellent - the ultimate 'office dog.' Will sleep under your desk or on your lap all day.
Weekend WarriorSuitable - moderate exercise needs are flexible. Can handle lazy days.
HousingApartment
Barking LevelLow
First-Time Owner
Exercise Types
Short walks (in cool hours)Indoor fetchPuzzle feedersTrick training
NighttimeGenerally sleeps through the night, often under the covers (burrowers). Expect LOUD snoring.
Food MotivationHigh

Old English Sheepdog Daily Life

Exercise Needs60-90 min/day
Alone TimeUp to 4h
Mental StimulationHigh
ApartmentChallenging - needs space
Work from HomeSuitable with adequate exercise
Weekend WarriorSuitable
HousingYard
Barking LevelHigh
First-Time Owner
Exercise Types
WalkingPlayTraining
NighttimeSleeps well when exercised
Food MotivationMedium

Housing & Legal Restrictions

RestrictionBoston TerrierOld English Sheepdog
BSL Restricted
Common Rental Ban
Insurance Blacklist
Weight CategoryUnder 25lbsUnder 50lbs

Climate Tolerance

ClimateBoston TerrierOld English Sheepdog
Heat Tolerance
Cold Tolerance
Water AffinityLowMedium

Travel Compatibility

ActivityBoston TerrierOld English Sheepdog
Car TravelGoodGood
Camping
Beach Friendly
Hiking Rating
Cabin Flight Eligible
Hotel Friendly Size

Niche Suitability

RoleBoston TerrierOld English Sheepdog
Service DogLowLow
Therapy DogHighLow
Deep Pressure Therapy
Canicross / Bikejoring
Apartment Adaptable
Tactile / Sensory Friendly
Livestock Guardian
Medical AlertLowLow

Costs & Expenses

Upfront Costs

CostBoston TerrierOld English Sheepdog
Purchase Price$1,500-3,000N/A
Initial Cost Range$1,500–$3,000$1,000–$2,500
Cost Tier

Ongoing Costs

CostBoston TerrierOld 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$50-100N/A
Grooming / Session$30-50$100-150
Vet Routine / Year$500-1,500N/A
Monthly Cost Tier

Boston Terrier Lifetime Cost

$20,000-40,000

Old English Sheepdog Lifetime Cost

N/A

Quirks & Fun Facts

Daily Quirks

QuirkBoston TerrierOld English Sheepdog
Snoring
FlatulenceFrequentOccasional
Slobber LevelNoneLow
Smell When WetMildModerate
Zoomies FrequencyDaily (puppies)Occasional
Counter Surfing
Digging TendencyNoneLow

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

Yes! They are excellent apartment dogs due to their small size (15-25 lbs), moderate energy, and low barking tendency. They're one of the best breeds for urban living.
For Boston Terrier & Old English Sheepdog owners

Turn your dog into a brand deal.

Pet brands are looking for authentic creators — not celebrities. If you own a Boston Terrier or Old English Sheepdog, you can get free products, gear, and exclusive perks just for sharing your dog's life on Instagram.

Apply for free

No followers minimum · Free to join

Compare with Other Breeds

Based on comprehensive breed research data.

View Boston Terrier profile·View Old English Sheepdog profile