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208 Breeds, 422 Health Conditions  |  Find a Vet

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Sealyham Terrier


Sealyham Terrier Facts

  • Group
  • Terrier
  • Affiliations
  • Height
  • 10.5"
  • Weight
  • 20-24 lbs.
  • Lifespan
  • 14 years | Add yours

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  • Exercise Requirement
  • Moderate - This breed enjoys typical daily activity
  • Training Requirement
  • Difficult to Train
  • Grooming Requirement
  • Difficult
  • Colors
    • White
    • White / Yellow
    • White / Tan
  • Breed Characteristics
    • Adapted to city living
    • Hunting heritage
    • Should sleep indoors

True Cost Of Ownership

Alternate Names

None Known


The Sealyham terrier originated in Haverfordwest, Wales.

Date Of Origin

This breed was developed in the 1800's.


The Sealyham terrier was the creation of retired Army officer John Edwards of Sealy Ham, Haverfordwest, Wales. Edwards wanted a bold, game little terrier who could dispatch the badgers and otters from the region. He crossed the Dandie Dinmont, the now-extinct White English Terrier, the Fox Terrier, the West Highland White Terrier, and the Corgie, and tested the offspring for hunting ability. Within the Hollywood Movie Industry, the Sealyham became a fashionable dog to own by the Hollywood elite. It was owned by Director Alfred Hitchcock, Actors, Jean Harlow, Cary Grant, Elizabeth Taylor, Princess Margaret. The dog was widely owned in England, but interest in the dog waned in conjunction with the banning of badger digs. Today it is primarily a companion dog, and when hunting has been banned in countries, its use for hunting purposes has been eliminated.


The Sealyham is a small but powerful dog. It is rectangular in shape with a rectangular head, emphasized by its long eyebrows and beard. It is heavily bearded and whiskered, with small, dark eyes and a large, black nose. The ears are folded level with the top of the head. The tail is docked short and erect. It is double coated with a dense undercoat and wiry outer coat that is all white or white with lemon, tan or badger colored markings on the head and ears.


The Sealyham is hard working, robust, and resilient. It can be willful but is loyal to its family. It will chase small animals.


For years it was an excellent hunter in dens and liars, capturer of foxes, otter, badgers and skunks. Beautiful and amusing as this dog is, with its humorous beard and cheerful temperament, it has, like so many other terriers, become appreciated mainly as a companion dog.

Health Concerns

Allergies, deafness, eye problems.

Additional Information

This breed does best with a patient, terrier experienced owner. It also requires a good deal of upkeep. Be prepared for monthly visits to a professional groomer and brushing at least three times a week.

Show Sources & Contributors +


The Howell Book Of Dogs

Publisher: Wiley Publishing Inc, 2007

Website: http://www.wiley.com/WileyCDA/

Author: Liz Palika

Dog Bible

Publisher: BowTie Press, 2005

Website: http://www.bowtiepress.com/bowtie/

Authors: Kristin Meuh-Roe, Jarelle S. Stein

Simon & Schusters Guide to Dogs

Publisher: Simon & Schuster inc, 1980

Website: http://www.simonandschuster.com

Author: Elizabeth Meriwether Schuler

The New Encyclopedia of the Dog

Publisher: Dorling Kindersley Publishing, 2000

Website: http://www.dk.com

Author: Bruce Fogle


Publisher: WikiMedia Foundation, On Going

Website: http://en.wikipedia.org/

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