Old English Sheepdog vs Rat Terrier

Herding · Large vs Terrier · Small

Quick take
  • Old English Sheepdog is the larger breed at 60–100 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

TraitOld English SheepdogRat Terrier
Group
HerdingTerrier
Size
LargeSmall
Origin
EnglandUSA
Height (male)
22–24"10–18"
Height (female)
21–23"10–18"
Weight (male)
60–100 lbs10–25 lbs
Weight (female)
60–100 lbs10–25 lbs
Lifespan
Average expected lifespan.
10–12 years12–18 years
Energy level
Daily activity needs.
Moderate (3/5)Very High (5/5)
Trainability
How quickly the breed learns commands.
High (4/5)High (4/5)
Intelligence
Problem-solving ability.
High (4/5)Very High (5/5)
Exercise needs
Daily physical activity required.
Moderate (3/5)High (4/5)
Shedding
Lower = less hair around your home.
High (4/5)Low (2/5)
Grooming effort
Brushing, bathing, professional grooming.
Very High (5/5)Very Low (1/5)
Drooling
Lower = drier face and furniture.
Low (2/5)Very Low (1/5)
Barking
How vocal the breed is.
Moderate (3/5)Moderate (3/5)
Good with kids
Very High (5/5)High (4/5)
Good with other dogs
High (4/5)High (4/5)
Good with strangers
High (4/5)Moderate (3/5)
Protectiveness
Watchdog tendencies.
Moderate (3/5)Moderate (3/5)
Adaptability
Apartment / new environment tolerance.
Moderate (3/5)High (4/5)
Coat length
longshort
Hypoallergenic
Lower-shedding, less dander.
NoNo
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About the Old English Sheepdog

The Old English Sheepdog is an adaptable, smart, gentle drover from western England — the shaggy 'Dulux dog' with hidden eyes. Originally from England, this large herding breed typically weighs 60–100 lbs and lives 10–12 years. Breeders describe them as adaptable, smart, gentle.

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.

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Old English Sheepdog health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Cataracts
  • Hypothyroidism
  • Deafness

Rat Terrier health

Common health concerns reported in this breed:

  • Patellar luxation
  • Hip dysplasia
  • Heart issues