Rat Terrier vs Saint Bernard

Terrier · Small vs Working · Giant

Quick take
  • Saint Bernard is the larger breed at 140–180 lbs (males) vs 10–25 lbs for the Rat Terrier.
  • The Rat Terrier typically lives longer (12–18 years).
  • The Rat Terrier has higher daily energy needs.
  • The Rat Terrier sheds less.

Side-by-side traits

TraitRat TerrierSaint Bernard
Group
TerrierWorking
Size
SmallGiant
Origin
USASwitzerland
Height (male)
10–18"28–30"
Height (female)
10–18"26–28"
Weight (male)
10–25 lbs140–180 lbs
Weight (female)
10–25 lbs120–140 lbs
Lifespan
Average expected lifespan.
12–18 years8–10 years
Energy level
Daily activity needs.
Very High (5/5)Low (2/5)
Trainability
How quickly the breed learns commands.
High (4/5)High (4/5)
Intelligence
Problem-solving ability.
Very High (5/5)High (4/5)
Exercise needs
Daily physical activity required.
High (4/5)Moderate (3/5)
Shedding
Lower = less hair around your home.
Low (2/5)High (4/5)
Grooming effort
Brushing, bathing, professional grooming.
Very Low (1/5)Moderate (3/5)
Drooling
Lower = drier face and furniture.
Very Low (1/5)Very High (5/5)
Barking
How vocal the breed is.
Moderate (3/5)Low (2/5)
Good with kids
High (4/5)Very High (5/5)
Good with other dogs
High (4/5)High (4/5)
Good with strangers
Moderate (3/5)High (4/5)
Protectiveness
Watchdog tendencies.
Moderate (3/5)Moderate (3/5)
Adaptability
Apartment / new environment tolerance.
High (4/5)Moderate (3/5)
Coat length
shortlong
Hypoallergenic
Lower-shedding, less dander.
NoNo
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About the Rat Terrier

The Rat Terrier is a friendly, lovable, alert American farm terrier — President Roosevelt's favorite, born to clear vermin. Originally from USA, this small terrier breed typically weighs 10–25 lbs and lives 12–18 years. Breeders describe them as friendly, lovable, alert.

About the Saint Bernard

The Saint Bernard is a playful, charming, inquisitive Alpine rescue giant — the original mountain rescue with the brandy keg. Originally from Switzerland, this giant working breed typically weighs 140–180 lbs and lives 8–10 years. Breeders describe them as playful, charming, inquisitive.

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Rat Terrier health

Common health concerns reported in this breed:

  • Patellar luxation
  • Hip dysplasia
  • Heart issues

Saint Bernard health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Heart disease
  • Eye conditions