Skip to content

Cavalier King Charles Spaniel vs Saint Bernard

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

Cavalier King Charles Spaniel breed photo

Cavalier King Charles Spaniel

AKCFCIKC

The Cavalier King Charles Spaniel is a small, affectionate, and elegant toy breed known for its expressive eyes and silky, wavy coat. With a friendly and adaptable nature, this breed is well-suited to both active play and cozy companionship, making it a beloved choice for families and individuals alike.

Size

Small

Energy

Medium

Lifespan

9-12 years yrs

Height

30-33 cm cm

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

TraitCavalier King Charles SpanielSaint 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
DetailCavalier King Charles SpanielSaint Bernard
SizeSmallExtra Large
Energy LevelMediumMedium
GroomingMediumHigh
TrainabilityEasychallenging
Barking LevelMediumHigh
Shedding LevelMediumHigh
Chew strengthLightHard
HousingApartmentYard

Owner Fit & Decision Guide

Owner Match

TraitCavalier King Charles SpanielSaint Bernard
Experience LevelBeginnerExperienced
First-Time Owner
Ideal OwnerActive individual or family who can provide adequate exercise and training for a Cavalier King Charles Spaniel.Active individual or family who can provide adequate exercise and training for a Saint Bernard.

Cavalier King Charles Spaniel 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

FactorCavalier King Charles SpanielSaint Bernard
Risk LevelMediumMedium
Primary ReasonsUnderestimated exercise needs, Behavioral challenges, Cost of careUnderestimated exercise needs, Behavioral challenges, Cost of care

Temperament & Personality

Behavior Comparison

TraitCavalier King Charles SpanielSaint Bernard
Prey Drive
Watchdog Ability
Stranger Friendly
Drool Level
Wanderlust

Vocalization

TraitCavalier King Charles SpanielSaint Bernard
Barking LevelMediumHigh
Howling Tendency
Whining TendencyLowLow
Separation Vocalization
Cavalier King Charles Spaniel bark triggers
StrangersDoorbellsOther dogs
Saint Bernard bark triggers
StrangersDoorbellsOther dogs

Safety & Reliability

TraitCavalier King Charles SpanielSaint Bernard
Escape Artist
Dog Park Suitable
Off-Leash Reliable
Small Animal Safe
Leash Reactivity
Resource Guarding RiskLowLow

Cavalier King Charles Spaniel Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Low

With Other Dogs

Generally friendly

Saint Bernard Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Moderate

With Other Dogs

Generally friendly

Training

Cavalier King Charles Spaniel

MethodPositive reinforcement
Challenges
s:** Their cuteness often leads to "Small Dog Syndrome" where owners tolerate bad behavior (jumping, begging) they wouldn't permit in a large dog.walks >25°C (77°F) [cite: 14].
Tips
  • ** Positive reinforcement only. They are incredibly sensitive and will shut down with harsh corrections.

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.

Cavalier King Charles Spaniel Considerations

challengeSeparation Anxiety

This is a "Velcro dog" in the truest sense. They were bred to warm laps in drafty castles and have not lost this biological imperative. They cannot be left alone for standard workdays (8+ hours). Isolation leads to profound distress, destructive chewing, and incessant whining or barking.

challengeSpaniel Instincts

While they are toys, they are still spaniels. They retain a prey drive that can be triggered by birds, squirrels, or butterflies. This "arrested" predatory sequence means they may suddenly bolt into traffic if not leashed, despite generally good recall.

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

SpeciesCavalier King Charles SpanielSaint Bernard
With CatsGenerally safe with proper introductionGenerally safe with proper introduction
Small MammalsSupervision requiredSupervision required
Birds / ReptilesCaution advisedCaution advised

Advanced Behavior

TraitCavalier King Charles SpanielSaint Bernard
Predatory Sequence RiskMediumMedium
BiddabilityHighLow
Noise SensitivityLowLow
Territorial Barking
Same-Sex Aggression Onset18 months18 months

First Year & Life Stages

First Year Challenges

ChallengeCavalier King Charles SpanielSaint Bernard
Puppy Difficulty
Destructive Phase6-186-18
House TrainingChallengingChallenging
Crate TrainingMediumMedium
Adolescent Regression

Cavalier King Charles Spaniel: Cavalier King Charles Spaniel puppies require consistent training and patience.

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

Life Stages Timeline

StageCavalier King Charles SpanielSaint 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

MeasurementCavalier King Charles SpanielSaint Bernard
Height30-33 cm cmN/A
WeightNot enough data yetNot enough data yet
Size CategorySmallExtra Large
Lifespan

9–12 years

8–10 years

Litter Size4-84-8

Cavalier King Charles Spaniel Coat

Type double
Length Medium
Texture straight
Colors
Various

Saint Bernard Coat

Type double
Length Medium
Texture straight
Colors
Various

Lineage & Origin

DetailCavalier King Charles SpanielSaint Bernard
Original Purpose"comforter spaniels" for British nobilityThe Saint Bernard was developed by monks at the Great St
Origintheir ownersN/A

Breeding Details

DetailCavalier King Charles SpanielSaint Bernard
C-Section RateVariesVaries
Whelping DifficultyMediumMedium
Puppy Mortality RateLowLow

Physical Risks

RiskCavalier King Charles SpanielSaint Bernard
Bloat / GDV RiskLowLow
Slippery Floor RiskLowLow
Min Fence Height1.5m1.5m
Dig / Escape RiskLowLow

Health & Common Conditions

Cavalier King Charles Spaniel Health Issues

Mitral Valve Disease (MVD) (~50% by age 5, nearly 100% by age 10)
Syringomyelia (SM) / Chiari-like Malformation (CM) (CM affects 95-100%, SM affects ~25% of 1-year-olds and up to 70% of dogs over 6 years)
Hip Dysplasia~15.5% in OFA database
Patellar Luxation
Primary Secretory Otitis MediaPSOM

Saint Bernard Health Issues

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

Cavalier King Charles Spaniel Suggested Tests

  • Cardiologist clearance
  • MRI screening for SM/CM
  • Ophthalmologist (CAER) exam
  • Patella/Hip evaluation

Saint Bernard Suggested Tests

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

Health Risk Overview

Risk FactorCavalier King Charles SpanielSaint Bernard
Cancer RiskMediumMedium
Cardiac RiskLowLow
Neurological RiskLowLow
CCL/ACL Tear RiskLowLow
Vet Burden TierMediumMedium

Sensitivities & Allergies

SensitivityCavalier King Charles SpanielSaint Bernard
Skin Allergies
Environmental Allergies
Stomach SensitivityLowLow
Food Allergies

Health Maintenance

Care ItemCavalier King Charles SpanielSaint Bernard
Nail Growth RateNormalNormal
Eye Care NeedsLowLow
Anal Gland IssuesOccasionalOccasional

Senior Care & Aging

Cavalier King Charles Spaniel 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

Cavalier King Charles Spaniel

medium maintenance
Coat Typedouble
Coat Lengthmedium
Coat Texturestraight
Shedding LevelMedium
Seasonal SheddingMedium
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

Cavalier King Charles Spaniel Daily Life

Exercise Needs30-45 min/day
Alone TimeUp to 4h
Mental StimulationMedium
ApartmentSuitable
Work from HomeSuitable with adequate exercise
Weekend WarriorSuitable
HousingApartment
Barking LevelMedium
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

RestrictionCavalier King Charles SpanielSaint Bernard
BSL Restricted
Common Rental Ban
Insurance Blacklist
Weight CategoryUnder 50lbsUnder 50lbs

Climate Tolerance

ClimateCavalier King Charles SpanielSaint Bernard
Heat Tolerance
Cold Tolerance
Water AffinityMediumMedium

Travel Compatibility

ActivityCavalier King Charles SpanielSaint Bernard
Car TravelGoodGood
Camping
Beach Friendly
Hiking Rating
Cabin Flight Eligible
Hotel Friendly Size

Niche Suitability

RoleCavalier King Charles SpanielSaint Bernard
Service DogHighLow
Therapy DogLowLow
Deep Pressure Therapy
Canicross / Bikejoring
Apartment Adaptable
Tactile / Sensory Friendly
Livestock Guardian
Medical AlertLowLow

Costs & Expenses

Upfront Costs

CostCavalier King Charles SpanielSaint Bernard
Purchase PriceN/AN/A
Initial Cost Range$1,000–$2,500$1,000–$2,500
Cost Tier

Ongoing Costs

CostCavalier King Charles SpanielSaint Bernard
Monthly Range$100–$200$180–$330
Yearly Range$1,200–$2,400$2,160–$3,960
Food / MonthN/A$100-180
Insurance / Month$50-100$80-150
Grooming / Session$50-80N/A
Vet Routine / YearN/A$500-800
Monthly Cost Tier

Cavalier King Charles Spaniel Lifetime Cost

N/A

Saint Bernard Lifetime Cost

N/A

Quirks & Fun Facts

Daily Quirks

QuirkCavalier King Charles SpanielSaint Bernard
Snoring
FlatulenceOccasionalOccasional
Slobber LevelLowLow
Smell When WetModerateModerate
Zoomies FrequencyOccasionalOccasional
Counter Surfing
Digging TendencyLowLow

Frequently Asked Questions

Yes, Cavalier King Charles Spaniels can make good family dogs with proper training and socialization. They form strong bonds with their family members.
For Cavalier King Charles Spaniel & Saint Bernard owners

Turn your dog into a brand deal.

Pet brands are looking for authentic creators — not celebrities. If you own a Cavalier King Charles Spaniel 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 Cavalier King Charles Spaniel profile·View Saint Bernard profile