History & Origin
The American Curl began in 1981 when a stray longhair kitten with curled ears was adopted by the Ruga family in Lakewood, CA. Her offspring inherited the trait. CFA recognition came in 1993.
Temperament & Personality
Curious, playful, gentle. American Curls remain kitten-like throughout adulthood.
Health Watchouts
Top conditions reported by CFA/TICA parent clubs, AAFP, the Winn Feline Foundation, and the Merck Veterinary Manual. Discuss screening with your vet — especially before breeding or insuring.
Ear infections
Slight elevationCurled ears trap wax more readily.
Screening: Weekly ear cleaning
Periodontal disease
70%+ of cats by age 3Plaque hardens to tartar and inflames gums, leading to tooth loss and bacteremia.
Screening: Annual oral exam; daily brushing or VOHC-approved dental treats; professional cleaning every 1–2 years
Obesity
≈60% of indoor cats (AAHA)Excess weight increases risk of diabetes, arthritis, hepatic lipidosis and shortens lifespan by ~2 years.
Screening: Monthly body condition score (target 4–5/9); measure all food; structured play 2× daily
Hypertrophic cardiomyopathy (HCM)
Breed-elevated riskThickening of the left ventricular heart wall — the most common heart disease in cats. Lower than other pedigreed breeds; recommended to screen.
Screening: Annual echocardiogram from a board-certified cardiologist; DNA test where available (Maine Coon, Ragdoll)
Polycystic kidney disease
LowRare in this breed.
Screening: DNA test
Enrichment & Play
Playful into senior years; moderate climbers.
- Cat trees
- Wand toys
- Puzzle feeders
- Window perches
- Companion cat
Nutrition
Daily calories: Adult: 200–270 kcal/day.
Two measured meals daily.
Common allergens to watch: Fish.
⚠ Body-score monthly.
Grooming & Coat Care
Brush weekly. Clean ears weekly with a vet-approved cleaner — never insert anything into the ear canal.
Cost of Ownership
Lifetime cost depends on lifespan, vet care, and litter/food choices. Try our Lifetime Cost Calculator →
Cost band for American Curl: medium.
Living Situation Fit
Excellent family cat. Apartment-friendly.
Choosing a Kitten
Kittens are born with straight ears — they curl over the first 4–7 days. Pet-quality kittens $800–$1,500.
Frequently Asked Questions
Do American Curls have the same health issues as Scottish Folds?
No — the curl mutation is purely cosmetic and does not affect cartilage or joints. American Curls are generally one of the healthiest pedigreed breeds.
When do American Curl ears curl?
Kittens are born with straight ears. The ears begin curling within 2–10 days and reach final shape by 4 months.



