50 Fun Facts About Jack Russell Terrier

The Jack Russell Terrier is named after a hunting clergyman from which part of England?

The Reverend John 'Jack' Russell was born in 1795 and hunted the same country for decades.

The Jack Russell can trace its origin to which now-extinct breed?

A mostly white dog was needed so hunters could tell it from the fox it was chasing.

In 1819, while still at Oxford, John Russell bought his foundation terrier from whom?

The white-and-tan female, Trump, was said to be 'such an animal as Russell had only seen in his dreams'.

What was the name of John Russell's foundation terrier bitch?

Her tan markings were limited to a patch over each eye and ear and a penny-sized dot at the tail root.

What did John Russell reportedly pride himself on regarding his terriers?

The dogs were meant to bolt the fox, not harm it, since ending the chase was considered unsporting.

How many terriers did John Russell have left when he died in 1883?

Financial troubles had forced him to sell his dogs more than once, so no living dog can be proved to descend from Trump.

John Russell was a founder member of which body, formed in 1875?

Its standard was aspirational rather than a description of the dogs of the day.

Arthur Blake Heinemann wrote the first breed standard and in 1894 founded a club for what?

His club folded shortly before World War II, after his death in 1930.

Which breed's stock was likely introduced for badger work, creating the shorter-legged Jack Russell?

Digging for the larger quarry needed a different dog from fox hunting.

The Jack Russell Terrier Club of America was formed in 1976 by whom?

It kept an open registry, registered dogs at adulthood and ranked working ability above conformation.

Why does the JRTCA register Jack Russells at adulthood rather than at birth?

The club rejected AKC recognition to preserve working characteristics.

The UK Kennel Club recognised the breed in 1990 under what name?

'Jack' was dropped from the official name in 1999.

When the AKC admitted the breed in 2001, what happened to its name?

The Jack Russell Terrier Club of America had opposed AKC recognition, fearing the loss of working traits.

Which body upheld the JRTCA's rule barring members from registering with the AKC in 2005?

The case was Jack Russell Terrier Network of Northern California v. American Kennel Club.

What is the JRTCA's bimonthly magazine called?

The club also runs trials showcasing the breed's working abilities.

How tall is a Jack Russell Terrier at the withers under the working standard?

The show cousin's standard is narrower, at 12 to 14 inches.

What proportion of a Jack Russell's coat must be white?

Markings may be black, brown or tan, on a smooth, rough or broken coat.

What is a 'broken' coat on a Jack Russell?

A broken-coated dog may have longer hair on the tail or face than a smooth.

Historically, why was a Jack Russell's tail docked to about 10 cm?

The tail is set high, and the ears are small V-shapes carried forward.

The working Jack Russell must be small enough to pursue which traditional quarry?

Red foxes average 13 to 17 lb with a chest of 12 to 14 inches, so the terrier must be built to match.

The Russell Terrier, sometimes called the English or Short Jack Russell, has what ideal height?

The FCI standard for the Jack Russell lists this smaller size as a requirement, and the dog should be longer than tall.

Eddie Chapman said 99% of hunt terrier men would pick a worker of what height over a 14-inch one?

He has hunted the same Devon country as John Russell for more than 30 years.

How does a working Jack Russell behave once it has found its target underground?

Groundhog, badger, otter and both red and grey fox are all on its list.

Because of its hunting work, the Jack Russell in the US is prone to which unusual condition?

It comes from being sprayed at close quarters while pursuing skunks.

A 2022 UK veterinary study found the Jack Russell had what life expectancy, the highest of any breed studied?

A 2024 UK study gave 13.3 years, though a 2024 Italian study found only 8.

A severe form of ichthyosis found in Jack Russell families is caused by a mutation in which gene?

Primary lens luxation in the breed is tied to a different gene, ADAMTS17.

The inherited ataxia with myokymia in Jack Russells was traced in 2014 to which gene?

It also affects the two closely related Russell breeds.

A UK study found the Jack Russell 6.91 times likelier than other breeds to contract which condition?

The breed is also prone to luxating kneecaps and Legg-Calvé-Perthes disease of the hip.

Legg-Calvé-Perthes syndrome, seen in Jack Russells, affects which joint?

The ball of the femur deteriorates after its blood supply is interrupted, usually between 6 and 12 months of age.

Nipper, the dog in the painting His Master's Voice, was thought to be what kind of dog?

Born in 1884, he still appears in the HMV logo.

The Jack Russell Bothie made history in 1982 by becoming the first dog to do what?

He belonged to explorers Ranulph and Ginny Fiennes; dogs have been banned from Antarctica since 1994.

Why is Bothie's polar feat unlikely ever to be repeated?

The Antarctic Treaty nations feared dogs could transmit disease to native seals.

A Jack Russell named George won a posthumous PDSA Gold Medal for saving five children in 2007 from what?

He died holding the dogs at bay in Manaia, New Zealand, where a statue now stands.

Which explosives-sniffing Jack Russell became famous with Ukraine's emergency service in 2022?

By April 2022 the two-year-old had located nearly 90 explosives.

Dilyn, the Jack Russell cross adopted by Boris Johnson and Carrie Symonds in 2019, came from a rescue where?

He became famous outside a polling station in the general election.

What were the two real ales named after the terrier from Rick Stein's TV series called?

Chalky's Bark won gold in the 2009 Quality Drink Awards, and the dog got a BBC obituary in 2007.

The Jack Russell Eddie on the sitcom Frasier was played by Moose and later by which dog?

Eddie belonged to Martin Crane and received more fan mail than any human character.

Besides Frasier, Moose and Enzo starred together in which 2000 film?

Moose won the Frasier role after only six months of training and could fix Kelsey Grammer with a long hard stare.

Why did Moose, the Frasier dog, end up with an animal-training company as a puppy?

He chewed everything, dug, barked, escaped and climbed trees before being flown to trainer Mathilde de Cagny.

Soccer was the Jack Russell star of which American children's series that ran from 1995 to 2001?

The title character imagined himself into classic works of literature.

Uggie, star of The Artist and Water for Elephants, won which award at the 2011 Cannes Film Festival?

The 'Consider Uggie' campaign then pushed for an Oscar nomination.

The 'Consider Uggie' campaign for the terrier from The Artist aimed to win him what?

BAFTA declared him ineligible, but he got a special mention at France's Lumière Awards.

Which company named Uggie its first-ever 'spokesdog' in 2012?

Uggie had been rejected by his first two owners as too wild before trainer Omar Von Muller took him in.

Dog actor Sykes ('Harvey' in Thinkbox ads) appeared under his own name in which detective series?

He was also a champion agility competitor and retired in 2016.

K.K. Slider, the guitar-playing Jack Russell, appears in which video game series?

He has been in every game since the 2001 original, up to New Horizons in 2020.

Max, the hero of The Secret Life of Pets, is a Jack Russell who lives with which large adopted brother?

Their owner Katie's adoption of Duke sets the whole plot in motion.

The dog actor Cosmo played Friday, a Jack Russell, in which 2009 film?

Cosmo went on to Paul Blart: Mall Cop and Beginners.

A clever Jack Russell named Jack played a central role in which 1980s adventure series?

The show was set among South Seas island-hoppers in the 1930s.

How many Jack Russells did the Australian National Kennel Council register in 2009, against 18 of the show cousin?

Under Australian and New Zealand size rules, though, those Jack Russells would count as Russell Terriers in the US.

The Jack Russell's tempered aggressiveness was meant to bolt the fox without doing what?

Ending the chase was considered unsporting.