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Glen of Imaal Terrier

The breeds · terrier

AKC Terrier · UKC Terrier · FCI standard 302

Glen of Imaal Terrier.

UKC: a game working dog developed to destroy vermin, especially badger. FCI 302 utilization: like all terriers, hunted badgers and foxes and kept the rat population down; now a gentle family dog. RKC: developed as a badger hunter in the glen in County Wicklow; low to ground, fearless and tenacious. AKC standard: a medium-sized working terrier; when working active, agile, silent and dead game. FCI history: dog-wheel and dog-fighting work in the past. Wikipedia: bred for hunting vermin and general farm work; some Glens herd and drive sheep and cattle..

Breed sets the odds. The parents set the dog. Every number here shows its source, its spread and how sure we are. Nothing on this page is a prediction about one dog.

12.1YRMedian lifespan11.6 to 13.5, measured on real dogs.
0INHeightall null. An ideal from the standard, not a range.
32–40LBWeight, all linesbreed dogs 35 lb (32 to 40).
1HRSExercise, every dayRKC: up to 1 hour per day; suits a small house; country.. The constraint most homes get wrong.

The body

What the breed is built like. Registry standards give an ideal, not a range.

Height at the shoulder

12.5 to 14 in

Breed clubAKC breed standard, 2001

AKC prints a minimum; UKC and FCI print only the maximum. Both-sex row; bitches run less per UKC and FCI.

Weight

dogs 35 lb (32 to 40)

Breed clubAKC breed standard, 2001

The standards print 35 lb; the AKC page prints 32 to 40 lb and does not split by sex, so low/high span the page and center is the standards' 35. No source prints a bitch weight.

Coat

AKC: medium length, harsh texture, soft undercoat; tidying allowed for a rough-and-ready outline; over-trimming undesirable. UKC and FCI 302 the same. Colour: wheaten (cream to red wheaten), blue (silver to deepest slate, not black), or brindle (usually blue brindle). FCI disqualifies black and tan.

Breed clubAKC breed standard, 2001

AKC, UKC and FCI agree.

Shedding

Shedding 2 of 5 (AKC breed page trait score)

Breed clubAKC

AKC breed page trait score, 1 to 5: a breed-club tendency, never a measurement.

Heat tolerance

3 of 5 · AKC standard: medium length coat of harsh texture with a soft undercoat. UKC: double-coated, harsh weather-resistant outer coat. FCI 302 the same.

DerivedAKC breed standard, 2001

Derived from the standard's coat (medium double coat = 3). No measured data.

How long they live, and what they cost

Measured on real dogs, with the sample and the spread. Never a guess.

Median lifespan

12.1 years (11.6 to 13.5)

MeasuredMcMillan KM, 2024

McMillan et al. 2024 / Dogs Trust table. Small sample (40 deaths), so the interval is wide. UK population. Not in Teng et al. 2022. The AKC page 10 to 15 year band is not used here.

The dog at home

What the breed asks of a day. The first thing most homes get wrong.

Exercise need

RKC: up to 1 hour per day; suits a small house; country.

Breed clubThe Royal Kennel Club

RKC is a UK registry band, not a study; mapped by the library rule (up to 1 hour = 60). RKC lists town or country as 'Country'.

Exercise need

AKC page energy level 3 of 5, mental stimulation needs 3 of 5 (AKC bands). RKC: up to 1 hour per day; country. Wikipedia: energetic and tenacious but more easygoing than most terriers; they love activity but are not demanding.

Breed clubAKC

AKC bands are not mapped to minutes; RKC supplies the minutes figure.

Energy

3 of 5

Breed clubAKC

AKC breed page trait score, 1 to 5: a breed-club tendency, never a measurement.

Grooming load

3 of 5 · RKC: grooming more than once a week; medium coat; does not shed. AKC page: coat grooming frequency 3 of 5, shedding 2 of 5 (AKC bands). AKC standard: coat may be tidied for a neat outline but should never be over-groomed.

Breed clubThe Royal Kennel Club

RKC band mapped by the library rule (more than once a week = 3).

The work

What it was built to do in the field, and what a test or trial asks of it.

Role

UKC: a game working dog developed to destroy vermin, especially badger. FCI 302 utilization: like all terriers, hunted badgers and foxes and kept the rat population down; now a gentle family dog. RKC: developed as a badger hunter in the glen in County Wicklow; low to ground, fearless and tenacious. AKC standard: a medium-sized working terrier; when working active, agile, silent and dead game. FCI history: dog-wheel and dog-fighting work in the past. Wikipedia: bred for hunting vermin and general farm work; some Glens herd and drive sheep and cattle.

Breed clubUnited Kennel Club

UKC, FCI, RKC and AKC agree on badger and vermin.

Primary game

UKC: badger and other vermin. FCI 302: badger and fox, and rats. RKC: badger.

Breed clubUnited Kennel Club

Registry quarry statements.

Also used on

FCI 302: foxes and rats. Wikipedia: Earthdog, Barn Hunt and agility; some work in water; some herd and drive sheep and cattle. The Glen is eligible for AKC Earthdog events.

Breed clubFCI-Standard N° 302

Registry quarry from FCI; the sport and farm lines are Wikipedia (editorial).

Search pattern

UKC: characteristically silent when working. AKC standard: when working active, agile, silent and dead game. FCI 302: active, agile and silent when working; always ready to give chase when called on.

Breed clubUnited Kennel Club

UKC, AKC and FCI agree: silent on the line. Whether the dog works alone or in a pack is not stated.

Field trial standard

AKC Earthdog eligible-breeds page (read Oct 8 2026) lists the Glen of Imaal Terrier. RKC: in Ireland, until the 1966 ban on badger trials, a Glen had to obtain a working certificate proving courage and gameness before it could be a Champion. Wikipedia: does well at Earthdog trials and Barn Hunt. FCI 302: Group 3, Section 1 large and medium-sized terriers, without working trial.

Breed clubAKC

The 1966 working-certificate history is the RKC page; no current test scoring read.

Water work

Wikipedia: not typically strong swimmers due to short legs and dense body, though some Glens can work in water.

EditorialWikipedia

Single editorial source.

Cold water

2 of 5 · UKC: harsh, weather-resistant double coat. Wikipedia: not typically strong swimmers due to short legs and dense body, though some work in water.

DerivedWikipedia

Derived: weather-resistant double coat, but short-legged and water is not a stated job. Wikipedia (editorial) is the only water statement. No measured data.

How common the problems are

Evaluated dogs skew toward breeding stock; the numbers are still the best there are.

Hip dysplasia

25.2% · 436 OFA hip evaluations, current all-data, accessed Oct 8 2026; 25.2% dysplastic (mild 21.1, moderate 3.9, severe 0.2), 72.0% normal. OFA rank 34.

MeasuredOrthopedic Foundation for Animals

OFA's own breed statistics. OFA-evaluated dogs skew toward breeding stock (owners and breeders submit films, and poor results are less likely to be submitted), so this is not the rate across all dogs of the breed; the true population rate is not known. Wikipedia (editorial) says Glen hip dysplasia is usually mild and rarely causes lameness; the OFA grades here are mostly mild too.

Elbow dysplasia

11.4% · 306 OFA elbow evaluations, current all-data, accessed Oct 8 2026; 11.4% abnormal (grade 1 10.1, grade 2 1.0, grade 3 0.3), 88.6% normal. OFA rank 45.

MeasuredOrthopedic Foundation for Animals

OFA's own breed statistics. OFA-evaluated dogs skew toward breeding stock (owners and breeders submit films, and poor results are less likely to be submitted), so this is not the rate across all dogs of the breed; the true population rate is not known.

Most common disorders

Wikipedia: progressive retinal atrophy (type crd3; a genetic test exists), skin and paw allergies, growth-plate injuries in young dogs (front-heavy, achondroplastic), mild hip dysplasia; heart problems virtually nonexistent and long-back disc trouble not generally a problem.

EditorialWikipedia

Single editorial source; no VetCompass or club survey read.

More

akc bands

AKC breed page trait scores (1-5): Energy Level 3; Mental Stimulation Needs 3; Trainability Level 3; Barking Level 2; Watchdog/Protective Nature 3; Good With Young Children 3; Openness To Strangers 3; Good With Other Dogs 3; Shedding Level 2; Coat Grooming Frequency 3; Drooling Level 2; Affectionate With Family 5; Playfulness Level 3; Adaptability Level 4.

Breed clubAKC

Fourteen AKC bands in one row; the selector reads each by name. Breed-club ratings: a tendency, never a measurement.

What to ask a breeder for

The health clearances the breed’s own club and registry name. Reference only: what to ask for, never a statement about any dog’s health.

How to read this page

Every value carries a label. Measured means peer-reviewed data on many dogs. Studied means peer-reviewed, smaller or indirect. Breed club means a club or registry states it. Editorial means expert opinion with no measurement behind it. Where two good sources disagree, both are shown and neither is averaged.

Published when the entry rests on the best information available from no fewer than three independent sources, checked by a second pass that did not write it. 9 sources on this page. Found something wrong? Tell us and the correction is logged with its date.

Also called
Glen, Wicklow Terrier, Irish Glen of Imaal Terrier

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