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The Sealyham Terrier is small, compact and
sturdy. He is proud, very affectionate,
inquisitive and sweet natured. The Sealyham
Terrier was developed between 1850 - 1891
by Captain John Edwardes who was looking
to produce a strain which would have exceptional
skills in quarrying small game and fox.
It is believed this type terrier is a result
of crosses between hounds, the Dandie Dinmont,
Corgi, Wire-Haired Fox Terriers, Bull Terrier
and the West Highland White. The name Sealyham
comes from the name of Captain Edwardes
estate in Haverfordwest, Wales.
The American Kennel Club officially recognized
the Sealyham Terrier in the Terrier Group
in 1911 - which is the same year the breed
was imported to the United States.
The height for a Sealyham Terrier is about
10½ inches (27 cm) at withers. AKC
The weight of the Sealyham Terrier is 23
- 24 pounds (10.5 - 11 kg.). Bitches weigh
a bit less. AKC Standard.
The Sealyham Terrier has a hard, wiry outer
coat and a soft and thick undercoat. The
coat is water resistant. The coat should
be brushed out at least a couple of times
a week and trimming is needed on a monthly
basis. The Sealyham Terrier is a very light
The color of the Sealyham Terrier should
be all white, although the AKC Standard
allows lemon, tan or badger-colored markings
on the ears and head.
The Sealyham Terrier is very charming, friendly
and affectionate. He is loyal, proud spirited
and curious. A daily brisk walk, playing
indoors as well as free play outside all
provide sufficient exercise for this breed
which is less active and calmer than other
terriers. The Sealyham Terrier is ever keen
and alert and will bark if something is
out of the ordinary. His owner must be able
to consistently show leadership. Sealyham
Terriers are wonderful and playful with
children, however, they are not suited for
the younger kids. Sealyham Terriers can
be stubborn and independent.
The Sealyham Terrier is a very healthy
breed although they are prone to lens luxation,
allergies and bladder infections. The life
expectancy of the Sealyham Terrier is about
• The Sealyham Terrier is much calmer
than other terriers and has been referred
to as a coach potato.
• The Sealyham Terrier is currently
considered a rare and vulnerable breed since
its population has been declining since
AKC: Terrier Group
ANKC: Terriers Group 2
CKC: Terrier Group 4
FCI: Group 3 Section 2 Small-sized Terriers