If you're looking for a cat that looks like a little forest pixie and has the personality of a playful monkey, you’ve probably narrowed it down to the Devon Rex or the Cornish Rex. At first glance, they both have that "alien" look and wavy fur, but they are actually two completely different breeds with their own quirks. Whether you want a sleek acrobat or a devoted shoulder-sitter, this guide breaks down the real differences between these two curly-coated characters.
Breed Origins and History
Cornish Rex Origins
The Cornish Rex first appeared in Cornwall, England, back in 1950. It all started with Kallibunker, a curly-coated kitten born to a regular barn cat on Bodmin Moor.
Development Timeline:
- 1950: Kallibunker is born.
- 1957: The breed makes its way to the United States.
- 1962: The CFA grants them championship status.
- Today: They are a mainstay in cat shows and homes worldwide.
The Genetics: Basically, a happy accident of nature. A recessive gene mutation caused those famous waves. While we call them "Rex" after the curly rabbits, these cats are all feline.
Devon Rex Origins
About ten years after the Cornish Rex popped up, the Devon Rex appeared just a county over in Devon, England.
Development Timeline:
- 1960: A stray kitten named Kirlee is born with a wild, wavy coat.
- 1968: The UK formally recognizes the breed.
- 1979: The CFA officially welcomes them to the championship ranks.
A Surprising Discovery: At first, everyone assumed Kirlee was related to the Cornish Rex. But when breeders tried to cross the two, they got a surprise: a litter of completely straight-haired kittens. This proved that the Devon mutation is a totally different gene. They might look like cousins, but genetically, they’re worlds apart.
Physical Characteristics
Size and Build Comparison
| Feature | Cornish Rex | Devon Rex |
|---|---|---|
| Male Weight | 6–10 lbs | 6–9 lbs |
| Female Weight | 5–8 lbs | 5–8 lbs |
| Body Type | Long, slender, and "tucked up" | Semi-foreign, compact build |
| Build | Like a Greyhound in a cat suit | Surprisingly solid and muscular |
| Bone Structure | Fine and elegant | Medium and sturdy |
The Coat: Waves vs. Curls
Cornish Rex Coat: Think of crushed velvet. Their coat is made of tight "Marcel waves" that run evenly across their body. They lack guard hairs entirely, leaving only a soft, silky undercoat that feels incredible to touch.
Devon Rex Coat: The Devon’s coat is more of a "tousled" look. It’s short and rippled, but the curls are loose and a bit messy. Devons are also more likely to have "thin" spots where the hair is sparse.
Face and Expression
Cornish Rex: They have a sophisticated, almost regal look. The head is egg-shaped, the nose has a high "Roman" bridge, and those ears sit high and proud.
Devon Rex: Total pixies. They have a short, broad wedge-shaped head with a very distinct "stop" at the nose. Their massive ears are set lower on the head, which, combined with those giant eyes, gives them a mischievous, "I’m about to cause trouble" expression.
Temperament and Personality
The Athletic Cornish Rex
If you want a cat that stays on the floor, keep looking. The Cornish Rex is a high-speed acrobat. They are perpetually in motion and will investigate the top of your refrigerator just because it's there.
What to expect:
- Energy: Through the roof.
- Vibe: Inquisitive and highly active.
- Smarts: They’ll learn to fetch or open cupboards faster than you can hide the treats.
The Mischievous Devon Rex
Devon owners often call them "monkeys in cat suits." They aren't just pets; they’re little shadows that want to be involved in everything you do. Curious how they stack up against other unique breeds? Check out our Sphynx vs. Devon Rex breakdown.
What to expect:
- Energy: High, but with a major focus on play.
- Vibe: Devoted "Velcro" cats.
- Affection: They don't just want to be near you; they want to be on your shoulder or tucked under your chin.
Care and Grooming
Don't let the short hair fool you—these cats actually need a bit of maintenance. Since they don't have heavy coats to absorb skin oils, they can get a bit greasy.
Grooming Routine:
- Cornish: A quick wipe with a soft cloth usually keeps them looking sharp.
- Devon: Be gentle; their hair is fragile. Brushing isn't really necessary, but a regular bath (every month or two) helps manage the oil.
The Ears: Those giant satellite dishes are magnets for wax. You’ll need to check and clean them weekly with a vet-approved cleaner to prevent infections.
Health Considerations
Cornish Rex
Lifespan: 12–16 years. Keep an eye out for Hypertrophic Cardiomyopathy (HCM)—a heart condition—and patellar luxation (kneecap issues).
Devon Rex
Lifespan: 10–15 years. Like the Cornish, they can face HCM. They also have a breed-specific concern called Devon Rex Myopathy, a hereditary muscle weakness. Always ask a breeder about genetic testing for this.
The Ideal Home
Keep These Guys Indoors
This isn't a suggestion; it’s a rule. Their thin coats offer zero protection against sunburn or freezing temperatures. If you’re cold, they are definitely cold.
What they need:
- Heat: They’ll seek out heater vents and sunny windows.
- Climbing Gear: Get a tall cat tree. These cats live for vertical space.
- Playtime: If you don't keep their brains busy with puzzles and toys, they’ll find their own (likely destructive) entertainment.
What’s the Damage? (Cost)
Buying a Kitten
Expect to pay between $900 and $1,800 for a pet-quality kitten. If you’re looking for a show prospect, prices can easily climb past $3,000.
Annual Upkeep
Budget for $1,300 to $2,500 per year. This covers the good stuff: high-protein food, litter, pet insurance, and those inevitable vet checkups.
The Quick Breakdown
Cornish Rex:
- The Good: Elegant, minimal shedding, and a total athlete.
- The Challenge: Needs a lot of room to run and hates the cold.
Devon Rex:
- The Good: Deeply affectionate and hilarious personality.
- The Challenge: Can be very "needy" for attention and prone to specific health issues.
Think of the Cornish Rex as the graceful athlete—sleek, fast, and always on the move. The Devon Rex is more like your eccentric, tiny roommate—always on your shoulder, constantly curious, and deeply attached to your side.
Whichever you choose, make sure you're ready for a cat that acts more like a toddler in a fur suit than a quiet ornament. Do you have plenty of warm blankets and a high-climbing cat tree ready?