Skip to content

Toy Fox Terrier vs Saint Bernard

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

Toy Fox Terrier breed photo

Toy Fox Terrier

AKCFCIKC

The American Toy Terrier, also known as the Toy Fox Terrier, is a small, agile breed known for its lively and intelligent nature, combining the playful spirit of a toy breed with the hunting instincts of a terrier. With its sleek, tri-colored coat and alert expression, this breed is both a charming companion and a spirited watchdog.

Size

Extra Small

Energy

Medium

Lifespan

13-15 yrs

Height

N/A

VS
Saint Bernard breed photo

Saint Bernard

AKCFCIKC

The Saint Bernard is a large, gentle dog breed known for its impressive size, friendly demeanor, and history as a rescue dog in the Swiss Alps. Renowned for their loyalty and affectionate nature, these dogs make excellent family companions and are easily recognizable by their distinctive, expressive faces and thick, warm coats.

Size

Extra Large

Energy

Medium

Lifespan

8-10 yrs

Height

N/A

Quick Comparison

TraitToy Fox TerrierSaint Bernard
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
DetailToy Fox TerrierSaint Bernard
SizeExtra SmallExtra Large
Energy LevelMediumMedium
GroomingLowHigh
TrainabilityModeratechallenging
Barking LevelHighHigh
Shedding LevelLowHigh
HousingApartmentYard

Owner Fit & Decision Guide

Owner Match

TraitToy Fox TerrierSaint Bernard
Experience LevelBeginnerExperienced
First-Time Owner
Ideal OwnerActive individual or family who can provide adequate exercise and training for a Toy Fox Terrier.Active individual or family who can provide adequate exercise and training for a Saint Bernard.

Toy Fox Terrier Dealbreakers

  • Cannot meet 45-60 min daily exercise
  • Cannot commit to grooming needs

Saint Bernard Dealbreakers

  • Cannot meet 30-60 min daily exercise
  • Cannot tolerate heavy shedding

Surrender Risk

FactorToy Fox TerrierSaint Bernard
Risk LevelMediumMedium
Primary ReasonsUnderestimated exercise needs, Behavioral challenges, Cost of careUnderestimated exercise needs, Behavioral challenges, Cost of care

Temperament & Personality

Behavior Comparison

TraitToy Fox TerrierSaint Bernard
Prey Drive
Watchdog Ability
Stranger Friendly
Drool Level
Wanderlust

Vocalization

TraitToy Fox TerrierSaint Bernard
Barking LevelHighHigh
Howling Tendency
Whining TendencyLowLow
Separation Vocalization
Toy Fox Terrier bark triggers
StrangersDoorbellsOther dogs
Saint Bernard bark triggers
StrangersDoorbellsOther dogs

Safety & Reliability

TraitToy Fox TerrierSaint Bernard
Escape Artist
Dog Park Suitable
Off-Leash Reliable
Small Animal Safe
Leash Reactivity
Resource Guarding RiskLowLow

Toy Fox Terrier Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Low

With Other Dogs

Selective

Saint Bernard Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Moderate

With Other Dogs

Generally friendly

Training

Toy Fox Terrier

MethodPositive reinforcement
Challenges
Requires consistent, patient training
Tips
  • ** Positive reinforcement is the only option. Harsh methods will cause them to shut down or become defensive.

Saint Bernard

MethodPositive reinforcement
Challenges
s:** Inconsistency. If you let a 30lb puppy jump on you, you are training a 160lb dog to knock you over. Rules must be set from day one.
Tips
  • ** Positive reinforcement is mandatory. They are sensitive souls; harsh corrections will cause them to shut down or become fearful.

Toy Fox Terrier Considerations

challengeThe "Napoleon Complex" (Small Dog Syndrome)

Without proper leadership, TFTs can become tyrants. They may resource guard food, toys, or their owners, leading to snapping or growling. This is often exacerbated by owners who tolerate behavior in a 5lb dog that they wouldn't in a 50lb dog.

challengeAlert Barking

This is not a silent breed. They possess a sharp, piercing bark and will use it to announce every delivery truck, neighbor, or squirrel. While they are not typically recreational barkers like Beagles, their "watchdog" instinct is high.

challengeFragility & Snap Risk

They are physically fragile. A jump from a couch can break a leg. Consequently, they may react defensively (nipping) if handled roughly by young children. They are for households with toddlers.

challengeCold Intolerance

This breed has zero tolerance for cold. They lack the body mass and coat to retain heat. Owners must be prepared to dress them in sweaters for any temperature below 50°F (10°C) and manage quick potty breaks in winter.

Saint Bernard Considerations

challengeThe "Velcro" Giant

Despite their size, Saints are profoundly needy. They do not tolerate isolation well and can develop destructive separation anxiety. A 160lb dog with anxiety can destroy drywall, doors, and furniture in minutes.

challengeStubborn Independence

While benevolent, they are not blindly obedient like a Golden Retriever. They possess a slow-burning stubbornness; if a Saint Bernard decides not to move, you cannot physically force them. This requires patience and psychological motivation rather than physical correction.

dealbreakerAdolescent "Bulldozer" Phase

Between 8 and 24 months, they are essentially giant, clumsy puppies. They can unintentionally knock over children, grandparents, and furniture. Leash manners must be solidified before they reach full weight, or they will become dangerous to walk.

Multi-Species Compatibility

SpeciesToy Fox TerrierSaint Bernard
With CatsCaution - may chaseGenerally safe with proper introduction
Small MammalsSupervision requiredSupervision required
Birds / ReptilesCaution advisedCaution advised

Advanced Behavior

TraitToy Fox TerrierSaint Bernard
Predatory Sequence RiskMediumMedium
BiddabilityLowLow
Noise SensitivityLowLow
Territorial Barking
Same-Sex Aggression Onset18 months18 months

First Year & Life Stages

First Year Challenges

ChallengeToy Fox TerrierSaint Bernard
Puppy Difficulty
Destructive Phase6-126-18
House TrainingModerateChallenging
Crate TrainingMediumMedium
Adolescent Regression

Toy Fox Terrier: Toy Fox Terrier puppies require consistent training and patience.

Saint Bernard: Saint Bernard puppies require consistent training and patience.

Life Stages Timeline

StageToy Fox TerrierSaint Bernard
Puppy Phase12 months12 months
Adolescence6-186-18
Adult Years2-82-8
Senior Onset~8 years~8 years
Peak Energy Age1-3 years1-3 years

Size & Physical Characteristics

Physical Stats

MeasurementToy Fox TerrierSaint Bernard
HeightN/AN/A
WeightN/AN/A
Size CategoryExtra SmallExtra Large
Lifespan13-15 years8-10 years
Litter Size4-84-8

Toy Fox Terrier Coat

Typedouble
LengthMedium
Texturestraight
Colors
Various

Saint Bernard Coat

Typedouble
LengthMedium
Texturestraight
Colors
Various

Lineage & Origin

DetailToy Fox TerrierSaint Bernard
Original PurposeThe breed was developed in the USA in the early 20th centuryThe Saint Bernard was developed by monks at the Great St
OriginN/AN/A

Breeding Details

DetailToy Fox TerrierSaint Bernard
C-Section RateVariesVaries
Whelping DifficultyMediumMedium
Puppy Mortality RateLowLow

Physical Risks

RiskToy Fox TerrierSaint Bernard
Bloat / GDV RiskLowLow
Slippery Floor RiskLowLow
Min Fence Height1.5m1.5m
Dig / Escape RiskLowLow

Health & Common Conditions

Toy Fox Terrier Health Issues

Patellar LuxationSlipped Kneecap
Primary Lens LuxationPLL
Congenital Hypothyroidism with GoiterCHG
Legg-Calvé-Perthes Disease
Von Willebrand’s DiseasevWD

Saint Bernard Health Issues

Hip DysplasiaPrevalence: 46.7%
Gastric Dilatation-Volvulus (Bloat) (Risk: High)
Elbow DysplasiaPrevalence: 20%
Osteosarcoma (Bone Cancer) (Risk: High)
Entropion/Ectropion

Toy Fox Terrier Suggested Tests

  • PLL DNA Test
  • CHG DNA Test
  • vWD DNA Test

Saint Bernard Suggested Tests

  • OFA/PennHIP certifications for hips and elbows
  • Ophthalmologist clearances for eyes
  • Cardiac exams for heart health

Health Risk Overview

Risk FactorToy Fox TerrierSaint Bernard
Cancer RiskMediumMedium
Cardiac RiskLowLow
Neurological RiskLowLow
CCL/ACL Tear RiskLowLow
Vet Burden TierMediumMedium

Sensitivities & Allergies

SensitivityToy Fox TerrierSaint Bernard
Skin Allergies
Environmental Allergies
Stomach SensitivityLowLow
Food Allergies

Health Maintenance

Care ItemToy Fox TerrierSaint Bernard
Nail Growth RateNormalNormal
Eye Care NeedsLowLow
Anal Gland IssuesOccasionalOccasional

Senior Care & Aging

Toy Fox Terrier 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.

Saint Bernard 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

Toy Fox Terrier

low 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

Saint Bernard

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

Lifestyle Compatibility

Toy Fox Terrier Daily Life

Exercise Needs30-45 min/day
Alone TimeUp to 4h
Mental StimulationMedium
ApartmentSuitable
Work from HomeSuitable with adequate exercise
Weekend WarriorSuitable
HousingApartment
Barking LevelHigh
First-Time Owner
Exercise Types
WalkingPlayTraining
NighttimeSleeps well when exercised
Food MotivationMedium

Saint Bernard Daily Life

Exercise Needs30-60 min/day
Alone TimeUp to 4h
Mental StimulationMedium
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

RestrictionToy Fox TerrierSaint Bernard
BSL Restricted
Common Rental Ban
Insurance Blacklist
Weight CategoryUnder 50lbsUnder 50lbs

Climate Tolerance

ClimateToy Fox TerrierSaint Bernard
Heat Tolerance
Cold Tolerance
Water AffinityMediumMedium

Travel Compatibility

ActivityToy Fox TerrierSaint Bernard
Car TravelGoodGood
Camping
Beach Friendly
Hiking Rating
Cabin Flight Eligible
Hotel Friendly Size

Niche Suitability

RoleToy Fox TerrierSaint Bernard
Service DogLowLow
Therapy DogLowLow
Deep Pressure Therapy
Canicross / Bikejoring
Apartment Adaptable
Tactile / Sensory Friendly
Livestock Guardian
Medical AlertLowLow

Costs & Expenses

Upfront Costs

CostToy Fox TerrierSaint Bernard
Purchase PriceN/AN/A
Initial Cost Range$1,000–$2,500$1,000–$2,500
Cost Tier

Ongoing Costs

CostToy Fox TerrierSaint Bernard
Monthly Range$50–$100$180–$330
Yearly Range$600–$1,200$2,160–$3,960
Food / Month$20-40$100-180
Insurance / MonthN/A$80-150
Grooming / Session$20-40N/A
Vet Routine / YearN/A$500-800
Monthly Cost Tier

Toy Fox Terrier Lifetime Cost

N/A

Saint Bernard Lifetime Cost

N/A

Quirks & Fun Facts

Daily Quirks

QuirkToy Fox TerrierSaint Bernard
Snoring
FlatulenceOccasionalOccasional
Slobber LevelLowLow
Smell When WetModerateModerate
Zoomies FrequencyOccasionalOccasional
Counter Surfing
Digging TendencyLowLow

Frequently Asked Questions

Toy Fox Terriers may not be ideal for families with young children. They do best with experienced owners who understand their needs.
For Toy Fox Terrier & Saint Bernard owners

Turn your dog into a brand deal.

Pet brands are looking for authentic creators — not celebrities. If you own a Toy Fox Terrier or Saint Bernard, 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 Toy Fox Terrier profile·View Saint Bernard profile