Bernese Mountain Dog vs Chihuahua

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

Bernese Mountain Dog breed photo

Bernese Mountain Dog

AKCFCIKC

The Bernese Mountain Dog is a large, sturdy breed known for its striking tricolor coat, gentle temperament, and strong working abilities, originally bred in the Swiss Alps to herd cattle and pull carts. Their friendly and affectionate nature makes them excellent family companions.

Size

Extra Large

Energy

Medium

Lifespan

7-8 years yrs

Height

N/A

VS
Chihuahua breed photo

Chihuahua

AKCFCIKC

The Chihuahua is a small dog breed known for its lively personality and alertness, often possessing a big-dog attitude despite its petite size. Originating from Mexico, this breed is characterized by its expressive eyes, large ears, and comes in a variety of colors and coat types.

Size

Extra Small

Energy

Medium

Lifespan

14-18 years yrs

Height

N/A

Quick Comparison

TraitBernese Mountain DogChihuahua
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
DetailBernese Mountain DogChihuahua
SizeExtra LargeExtra Small
Energy LevelMediumMedium
GroomingHighLow
TrainabilityEasychallenging
Barking LevelMediumHigh
Shedding LevelHighMedium
HousingYardApartment

Owner Fit & Decision Guide

Owner Match

TraitBernese Mountain DogChihuahua
Experience LevelBeginnerExperienced
First-Time Owner
Ideal OwnerActive individual or family who can provide adequate exercise and training for a Bernese Mountain Dog.Active individual or family who can provide adequate exercise and training for a Chihuahua.

Bernese Mountain Dog Dealbreakers

  • Cannot meet 45-60 min daily exercise
  • Cannot tolerate heavy shedding

Chihuahua Dealbreakers

  • Cannot meet 20-30 min daily exercise
  • Cannot commit to grooming needs

Surrender Risk

FactorBernese Mountain DogChihuahua
Risk LevelMediumMedium
Primary ReasonsUnderestimated exercise needs, Behavioral challenges, Cost of careUnderestimated exercise needs, Behavioral challenges, Cost of care

Temperament & Personality

Behavior Comparison

TraitBernese Mountain DogChihuahua
Prey Drive
Watchdog Ability
Stranger Friendly
Drool Level
Wanderlust

Vocalization

TraitBernese Mountain DogChihuahua
Barking LevelMediumHigh
Howling Tendency
Whining TendencyLowLow
Separation Vocalization
Bernese Mountain Dog bark triggers
StrangersDoorbellsOther dogs
Chihuahua bark triggers
StrangersDoorbellsOther dogs

Safety & Reliability

TraitBernese Mountain DogChihuahua
Escape Artist
Dog Park Suitable
Off-Leash Reliable
Small Animal Safe
Leash Reactivity
Resource Guarding RiskLowLow

Bernese Mountain Dog Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Low

With Other Dogs

Generally friendly

Chihuahua Social Traits

Velcro Dog
One Person Dog
Handling ToleranceMedium
Stranger Wariness

Moderate

With Other Dogs

Selective

Training

Bernese Mountain Dog

MethodPositive reinforcement
Challenges
s:** Their size makes jumping up or leash pulling dangerous. "Four on the floor" training must start at 8 weeks.
Tips
  • ** Positive reinforcement is the only viable path. Berners are notoriously "soft" dogs; harsh corrections or yelling will cause them to shut down or become fearful [cite: 16].

Chihuahua

MethodPositive reinforcement
Challenges
s:** "Babying" the dog. Owners often carry them everywhere, denying them socialization and exercise, which creates a fearful, neurotic dog.
Tips
  • ** Positive reinforcement is the only option. Harsh methods cause them to shut down or bite defensively.

Bernese Mountain Dog Considerations

challengeSeparation Anxiety ("Velcro Dog" Syndrome)

The BMD was bred to work closely alongside farmers in the Swiss Alps, pulling carts and driving cattle. This history has created a breed that is genetically wired to be near their humans constantly. They are not independent yard dogs; they are "shadows." Leaving a Berner alone for 8+ hours a day often results in severe distress, destructive chewing, and vocalization.

challengeThe "Leaner"

While affectionate, their desire for physical contact (leaning their 100lb body weight against your legs) can be a hazard for elderly owners or very small children, despite their gentle intent.

Multi-Species Compatibility

SpeciesBernese Mountain DogChihuahua
With CatsGenerally safe with proper introductionGenerally safe with proper introduction
Small MammalsSupervision requiredSupervision required
Birds / ReptilesCaution advisedCaution advised

Advanced Behavior

TraitBernese Mountain DogChihuahua
Predatory Sequence RiskMediumMedium
BiddabilityHighLow
Noise SensitivityLowLow
Territorial Barking
Same-Sex Aggression Onset18 months18 months

First Year & Life Stages

First Year Challenges

ChallengeBernese Mountain DogChihuahua
Puppy Difficulty
Destructive Phase6-186-12
House TrainingModerateModerate
Crate TrainingMediumMedium
Adolescent Regression

Bernese Mountain Dog: Bernese Mountain Dog puppies require consistent training and patience.

Chihuahua: Chihuahua puppies require consistent training and patience.

Life Stages Timeline

StageBernese Mountain DogChihuahua
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

MeasurementBernese Mountain DogChihuahua
HeightN/AN/A
WeightN/AN/A
Size CategoryExtra LargeExtra Small
Lifespan7-8 years years14-18 years years
Litter Size4-84-8

Bernese Mountain Dog Coat

Typedouble
LengthMedium
Texturestraight
Colors
Various

Chihuahua Coat

Typedouble
LengthMedium
Texturestraight
Colors
Various

Lineage & Origin

DetailBernese Mountain DogChihuahua
Original PurposeOriginating in the canton of Bern, Switzerland, these dogs were the "poor man's horseThe Chihuahua's lineage traces back to the Techichi, a mute companion dog of the Toltec civilization
Originin the canton of Berncoat gene

Breeding Details

DetailBernese Mountain DogChihuahua
C-Section RateVariesVaries
Whelping DifficultyMediumMedium
Puppy Mortality RateLowLow

Physical Risks

RiskBernese Mountain DogChihuahua
Bloat / GDV RiskLowLow
Slippery Floor RiskLowLow
Min Fence Height1.5m1.5m
Dig / Escape RiskLowLow

Health & Common Conditions

Bernese Mountain Dog Health Issues

Histiocytic Sarcoma (Malignant Histiocytosis): Affects up to 25% of the breed; accounts for ~50% of all cancer deaths
Hip Dysplasia:16.1% are dysplastic
Elbow Dysplasia: Often cited around 28%
Gastric Dilatation-Volvulus (Bloat): High risk due to deep chest depth
Degenerative Myelopathy (DM): Genetic carriers are common

Chihuahua Health Issues

Periodontal Disease13.5% prevalence
Obesity5.9% prevalence
Retained Deciduous Teeth5.7% prevalence
Patellar Luxation4.0% prevalence
Aggression4.2% prevalence

Bernese Mountain Dog Suggested Tests

  • Genetic risk test (Antagene) for Histiocytic Sarcoma
  • CHIC numbers including hips, elbows, eyes (CERF), cardiac, and Von Willebrand’s Disease (vWD)
  • DNA testing of parents for Degenerative Myelopathy
  • Prophylactic gastropexy (stomach tacking) for Bloat

Chihuahua Suggested Tests

  • Regular dental check-ups and cleanings
  • Annual cardiac auscultation
  • Orthopedic check for patellar luxation

Health Risk Overview

Risk FactorBernese Mountain DogChihuahua
Cancer RiskMediumMedium
Cardiac RiskLowLow
Neurological RiskLowLow
CCL/ACL Tear RiskLowLow
Vet Burden TierMediumMedium

Sensitivities & Allergies

SensitivityBernese Mountain DogChihuahua
Skin Allergies
Environmental Allergies
Stomach SensitivityLowLow
Food Allergies

Health Maintenance

Care ItemBernese Mountain DogChihuahua
Nail Growth RateNormalNormal
Eye Care NeedsLowLow
Anal Gland IssuesOccasionalOccasional

Senior Care & Aging

Bernese Mountain Dog 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.

Chihuahua 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

Bernese Mountain Dog

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

Chihuahua

low 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

Lifestyle Compatibility

Bernese Mountain Dog Daily Life

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

Chihuahua Daily Life

Exercise Needs20-30 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

Housing & Legal Restrictions

RestrictionBernese Mountain DogChihuahua
BSL Restricted
Common Rental Ban
Insurance Blacklist
Weight CategoryUnder 50lbsUnder 50lbs

Climate Tolerance

ClimateBernese Mountain DogChihuahua
Heat Tolerance
Cold Tolerance
Water AffinityMediumMedium

Travel Compatibility

ActivityBernese Mountain DogChihuahua
Car TravelGoodGood
Camping
Beach Friendly
Hiking Rating
Cabin Flight Eligible
Hotel Friendly Size

Niche Suitability

RoleBernese Mountain DogChihuahua
Service DogHighLow
Therapy DogLowLow
Deep Pressure Therapy
Canicross / Bikejoring
Apartment Adaptable
Tactile / Sensory Friendly
Livestock Guardian
Medical AlertLowLow

Costs & Expenses

Upfront Costs

CostBernese Mountain DogChihuahua
Purchase PriceN/AN/A
Initial Cost Range$1,000–$2,500$1,000–$2,500
Cost Tier

Ongoing Costs

CostBernese Mountain DogChihuahua
Monthly Range$180–$300$50–$110
Yearly Range$2,160–$3,600$600–$1,320
Food / Month$100-150$20-50
Insurance / Month$80-150$30-60
Grooming / Session$100-150$0-50
Vet Routine / Year$50-100$20-50
Monthly Cost Tier

Bernese Mountain Dog Lifetime Cost

N/A

Chihuahua Lifetime Cost

N/A

Quirks & Fun Facts

Daily Quirks

QuirkBernese Mountain DogChihuahua
Snoring
FlatulenceOccasionalOccasional
Slobber LevelLowLow
Smell When WetModerateModerate
Zoomies FrequencyOccasionalOccasional
Counter Surfing
Digging TendencyLowLow

Frequently Asked Questions

Yes, Bernese Mountain Dogs can make good family dogs with proper training and socialization. They form strong bonds with their family members.
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Compare with Other Breeds

Based on comprehensive breed research data.

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