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Terrier group · Wales

Sealyham Terrier

Also called Sealy.

Small dog, moderate energy, trains well with consistency.

  • Outgoing
  • Friendly
  • Alert
  • Calm
  • Humorous
AI-generated illustration of an adult Sealyham Terrier
AI-generated illustration
Size
Small
Weight
10 to 11 kg23 to 24 lb
Lives
12 to 14 years
Energy
Moderate
Trains
Moderate
Barks
Moderate

Training

Training a Sealyham Terrier

Terrier breeds. Impulse control and a rock-solid leave it. Short, high-value sessions; they bore fast.

  1. Patient Persistence

    Start here

    Sealyhams can be stubborn but respond to patient, consistent training with humor.

  2. Calm Approach

    More relaxed than many terriers. Match their energy with calm, positive training.

  3. Socialisation

    Can be reserved with strangers. Early exposure to people prevents excessive wariness.

The app turns this into five to fifteen minutes a day.

Add your Sealyham Terrier and it builds the plan around their age, where they came from and what they already know, on video with Atlas and Shango.

Free to start. iPhone. No card needed.

At home

Living with one

Bred to go to ground after vermin. Fearless, quick, and not built to back down.

Gets on with

  • ChildrenHigh
  • Other dogsModerate
  • StrangersModerate
  • CatsLow

Breed averages. Early socialisation and the individual dog matter more.

Exercise
30-45 minutes daily. Moderate walks and play. Calmer than most terriers.
Grooming
Hand-stripping 2-3 times yearly. Regular brushing and trimming around face.
Drool
Low
Coat
Wiry outer coat, Dense undercoat, Weather-resistantWhite, White with Lemon, White with Badger markings
In a flat
Can work, with enough exercise outside it.

Health

Things to ask a breeder or vet about

  • Primary Lens Luxation

    Severe

    Inherited eye condition. DNA test essential

  • Retinal Dysplasia

    Moderate

    Developmental eye abnormality

  • Deafness

    Moderate

    Congenital deafness occurs in the breed

Where they come from

History

Developed in the mid-1800s by Captain John Edwardes at Sealyham House in Wales. Created to hunt badgers, otters, and foxes. Once extremely popular but now one of the rarest terrier breeds. Was a favourite of Hollywood stars in the 1920s-1940s.

  • Dookie · One of Queen Elizabeth II's early dogs before she switched to Corgis
  • Alfred Hitchcock's Sealyhams · The director was devoted to the breed and owned several

Similar breeds

All breeds

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