Learn, Don't Return - Sealyham Terrier Dog Breed

Posted by Brian Aho on


The Sealyham Terrier named "Stached" won the 22nd annual 2023 National Dog Show in Philadelphia.  The Sealyham Terrier derives its name from Sealy Ham, Haverfordwest, Wales - The Estate of Captain John Edwards.  He developed the breed using an old rare line of dogs - they were used for digging - to hunt small game and pests on his estate.

He started developing the breed in 1848 - it is believed.  People think he wanted the white coat so he could see them more easily when coming to the surface - after digging out a pest from its burrow.  The Sealyham Terrier was first "recorded" at a dog show in Haverfordwest, Wales in 1903, and was imported into the U.S. in 1911 where it appeared in its first dog show in California.

The American Sealyham Terrier Club was founded in 1913.


The Sealyham Terrier - for such a small dog, it only weighs 22 to 24 pounds, and yet it needs to be strong to fend off and discourage otters, badgers, and foxes from burrowing underground.  The "Standard" for the Sealyham Terrier states that they should be the embodiment of power and determination.  For such a small and cute dog they sure do pack a punch!

To counter the Sealyham Terriers' strength, they are a ham - very curious and like to play and have fun...so they aren't all business!  Sealeys, as they are affectionately called, have a good temperament, are friendly and social, and love their owners...they aren't just out for a free ride!

Sealy's live rather long too for a dog these days; between 12 and 16 years old.

Sealy's are good for Show, Obedience, Rally and Agility - a very versatile dog for the young to the elderly.


The Sealyham Terrier is part of the Terrier Group, like the Airdale Terrier, Bull Terrier - think Spuds Mackenzie, and Miniature Schanuzer.  If you want to learn more about dog breeds and rescues, please consider subscribing to the PetzPaws/Learn, Don't Return Youtube Channel.  Thank you.

The AKC recognized the Sealyham Terrier in 1911 and the Sealyham Terrier Club was created in 1913.  The Sealyham Terrier (pictured) named "Stached" won the 22nd Annual, 2023 National Dog Show - Best in Show Award.

The Sealyham Terrier was created by Captain John Edwards in Sealy Ham Haverfordwest, Wales.  He nurtured an old line of terrier dog to develop a strong breed that would discourage foxes, otters, and badgers from burrowing underground on his estate in 1848, or so it's believed.

The Sealyham Terrier is white probably because he wanted to distinguish his dog from the vermin while taking action.  The Sealyham Terrier was first recorded at a dog show in Haverfordwest, Wales in 1903 and imported into the US in 1911, where it appeared in it first dog show in California.

The Sealyham Terrier is a small dog, only weighing 22 - 24 pounds.  And yet it needs to be strong to fend off pests.  Now the Sealyham Terrier is a companion dog - but they do great in Shows, Obedience, Agility, and Rally - They are still determined, but they also have a wonderful sense of humor - with a lot of self-confidence.

Due to the Sealyham Terrier's size and activity level, a good high protein diet to maintain that energy level, but also for a beautiful coat; in a 1-quart pet bowls is ideal.

The "Standard" (AKC) for the Sealyham Terrier is defined by its strength and power - they do NOT back down from a challenge.

The Sealyham Terrier is a sturdy, small, and proud dog that makes a great companion dog for the young to the elderly.  And they fit well in the country and city environments. 

Like most dogs, they need attention, but provide a great loving, and fun personality in return.  They are inquisitive - very curious dogs so you will want to feed that need and hopefully, they won't get into the trash can - if you know what I mean?!

The coat of the Sealyham Terrier is weather-resistant which is nice in areas that get rain, but they do require regular combing of the leg and body hair that comes close to the ground, you can see that in the picture.  The coast of the Sealyham Terrier doesn't shed but does require upkeep to prevent the fur from becoming too long.

The tails are docked, and the coat is white, but may have lemon, tan, or badger markings on the ears and head - which is critical for Show - but it doesn't affect their personality and lovability.

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