American Curl Cats: Spontaneous Mutation in a Stray Leads to Feline Stardom in Six Years

by DerdriuMarriner

American Curl cats are so named because their ears curl ear-resistibly backward, giving them unusual expressions of joyous surprise or quizzically startled worry.

The distinctive feature which has bestowed upon the American Curl cat its charming, unusual name as a breed is deemed to be a spontaneous mutation which came to the world's attention in June 1981.

On a hot summer day, two stray long-haired cats, both with strangely curled ears, appeared at the home of Joe and Grace Ruga in Lakewood, an instant city developed in the 1950s in California's Los Angeles County. After a few weeks, the black-and-white kitten, named Panda by the Rugas, disappeared, but all-black Shulamith remained. Shulamith became the foundation female for a new breed, which was given the name of American Curl.

Within six years of Shulamith's appearance at the Rugas' door, the breed received unprecedentedly rapid recognition, in 1987, from The International Cat Association. In 1993, the American Curl breed was recognized with Championship status by the Cat Fanciers Association. The unusually swift rise of a stray to feline stardom is a charming equivalent of a rags-to-riches tale in the feline world.

For those familiar with this amiable, playful, medium-size breed, the ascent is well-deserved.

*****

The Cat Fanciers' Association, Inc.
260 East Main Street, Alliance, OH 44601
phone: (330) 680-4070
fax: (330) 680-4633
website: http://www.cfa.org

The International Cat Association, Inc.
Physical Address: 306 E Jackson - Harlingen, Texas 78550
Mailing Address: PO Box 2684 - Harlingen, Texas 78551
phone: (+1) (956) 428-8046
fax: (+1) (956) 428-8047
website: http://www.tica.org

*****

Siriuksen CandyCurl: female long-haired American Curl

birthdate: December 13, 2005 (13/12/05)
Hyvinkää, Uusimaa region, southern Finland; June 3, 2007
Hyvinkää, Uusimaa region, southern Finland; June 3, 2007

Back story: As if by magic, a new breed appears

 

On a hot summer's day in June, 1981, feline history experienced an enigmatic pounce as two strays sought shelter at the home of Joe and Grace Ruga in the instant city of Lakewood, newly developed in the 1950s in California's creative mecca, Los Angeles County.

  • The black-themed long-haired female kittens both evinced the startling feature of ears which curled strangely backward.
  • The Rugas gave the name of Panda to the black-and-white kitten.
  • For the all-black kitten, they chose the name of Shulamith (Hebrew: שולמית, derivative of שָׁלוֹם, shalom, "peace"), inspired by Shulamit, the "black and comely" female in "Song of Songs."
  • Two weeks later, Panda disappeared, but "Shu" remained.
  • In December 1981, Shulamith gave birth to four kittens, two of whom had curled ears.

 

Cat specialists attributed Shulamith's signature feature of curled-back ears to a spontaneous mutation. The ear-curling gene was deemed to be autosomal dominant, that is, inheritable even with only one gene.

  • Selective breeding programs were quickly put in place in order to preserve the fascinating physical trait of this new breed which would be named for its hallmark, American Curl.
  • Breeding with domestic cats has ushered in a wide gene pool, which, in turn, promotes the breed's well-being.
  • January 1984 marked the first Curl-to-Curl breeding, from which the program's first litter was birthed in March.

Acceptance of the new breed occurred swiftly.

  • The first public presentation of the American Curl occurred on October 23, 1983, in Palm Springs, in southern California's Riverside County, 
  • In 1987, only six years after Shulamith wandered so unassumingly onto the world stage, the breed of American Curl received recognition from The International Cat Association (TICA), the world's largest genetic cat registry. 
  • Five years later, in 1993, the Cat Fanciers' Association (CFA), the world's largest registry of pedigreed cats, honored the breed with Championship status.

 

closeup of American Curl's distinctive ear shape: acrobatic arch touching back of ear

CSKA Sports Complex, northwestern Moscow, northwestern Russia; December 6, 2009
CSKA Sports Complex, northwestern Moscow, northwestern Russia; December 6, 2009

American Curls: Exquisitely amiable felines known as Peter Pans of cat world for lifelong kitten-like playfulness

 

In addition to their adorable faces, which are framed so enchantingly by their unusual ears, American Curls abound in attributes.

  • Their amiability extends to children as well to other pets, both canines and felines.
  • Their bodies tend toward a rectangular shape.
  • Their attractive, silky coat lies flat as either long-haired or short-haired lengths.
  • Their minimal undercoat results in scant shedding and minimizes grooming.
  • Coloration and patterning exhibit great variation.
  • Their expressive eyes tend toward a walnut shape.
  • Lifespan averages at 13+ years.
  • Their mews resemble little trill-like cooings.
  • Playful personality endures throughout their lifespan.
  • Weight of this medium-size breed ranges from five to 10 pounds (2.2 to 4.5 kilos).

 

ears of Primecurl Kleopatra Shone Tsarina, American Curl show cat

birthdate: September 25, 2009 (25/09/2009)
Exhibition of Achievements of National Economy (VDNKh), Ostankinsky District, northeast Moscow, northwest Russia; April 3, 2010
Exhibition of Achievements of National Economy (VDNKh), Ostankinsky District, northeast Moscow, northwest Russia; April 3, 2010

 

Attention always ends up focusing on the breed's smile-inducing ears.

  • At birth, their ears appear straight, but in less than a week a tight, rosebud curling appears which then slowly unfurls, for the duration of about four months.
  • American Curl cats are classified as pet or show, according to curling angle.
  • Some ears exhibit little or no curling.
  • The degree of curling must trace a graceful arc of 90 to 180 degrees to qualify as a show feline.
  • Long-haired varieties sport long tufts which fan outward across their ears in a styling reminiscent of those of the lynx.

Thanks to a wide gene pool, the breed evinces no inherited defects, although care must be taken in cleaning American Curls' ears, for the cartilage may be damaged if force is applied or if folding is attempted.

 

Siriuksen QuintaCurl: female, short-haired, tortie-spotted bicolor American Curl with straight ears, aged 5-plus months

birthdate: April 4, 2008 (4.4.08); parentage: TICA RW QCG & CFA CH Phantasia Goldnuggetcurl x CH Siriuksen GoGoCurl
Klaukkala, southern Nurmijärvi municipality, southern Finland; September 20, 2008
Klaukkala, southern Nurmijärvi municipality, southern Finland; September 20, 2008

 

Pricing of new kittens, generally made available at ages of 12 to 16 weeks by breeders,  is determined by such factors as:

  • bloodlines;
  • body type;
  • coloration;
  • ear degree.

Parentage for preferred pedigrees comprises:

  • Grand Champions;
  • National and/or Regional winners;
  • Distinguished Merit descendants.

The title of Distinguished Merit is achieved via:

  • five Grand Champion offspring from the mother (dam), or
  • fifteen Grand Champion offspring from the father (sire).

 

Excellent resources for locating reputable American Curl breeders include:

  • The Cat Fanciers' Association, Inc., headquartered in Alliance, Ohio ~ website: http://www.cfa.org
  • The International Cat Association, Inc., headquartered in Harlingen, Texas ~ website: http://www.tica.org

The foundation breeder in the United Kingdom is Claire Winman, who started Overear Cattery for American Curls in 2007:

 

ACL Pointocurl Fiorentina: female, aged 6-plus months

birthdate: May 20, 2008 (20/05/2008)
CSKA Sports Complex, northwestern Moscow, northwestern Russia; December 6, 2008
CSKA Sports Complex, northwestern Moscow, northwestern Russia; December 6, 2008

Conclusion: Feline perfection of ear-resistible American Curl cats

 

American Curl cats are desirable felines. Perhaps their whimsical ears betoken their exemplary temperaments and outstanding health.

  • This is a breed inclined toward amiable, intelligent, loyal camaraderie in family life.
  • Their sociability guides them toward problem-free interactions with all ages of humans and with other pets, including dogs.
  • When they enter into a full household, they show respect for occupants' seniority in living arrangements.

American Curls make themselves welcome wherever they find themselves.

 

ACL Primecurl Kleopatra Shone Tsarina: female, aged 6-plus months

birthdate: September 25, 2009 (25/09/2009)
Exhibition of Achievements of National Economy (VDNKh), Ostankinsky District, northeast Moscow, northwest Russia; April 3, 2010
Exhibition of Achievements of National Economy (VDNKh), Ostankinsky District, northeast Moscow, northwest Russia; April 3, 2010

Acknowledgment

 

My special thanks to talented artists and photographers/concerned organizations who make their fine images available on the internet.

 

Image Credits

 

Siriuksen CandyCurl: female long-haired American Curl
birthdate: December 13, 2005 (13/12/05)
Hyvinkää, Uusimaa region, southern Finland; June 3, 2007: Heikki Siltala, CC BY 3.0, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:Siriuksen_CandyCurl_ACL_g_09.JPG

closeup of American Curl's distinctive ear shape: acrobatic arch touching back of ear
CSKA Sports Complex, northwestern Moscow, northwestern Russia; December 6, 2009: Nickolas Titkov, CC BY SA 2.0, via Flickr @ https://www.flickr.com/photos/titkov/4194129209/

ears of Primecurl Kleopatra Shone Tsarina, American Curl show cat
birthdate: September 25, 2009 (25/09/2009)
Exhibition of Achievements of National Economy (VDNKh), Ostankinsky District, northeast Moscow, northwest Russia; April 3, 2010: Nickolas Titkov from Moscow, Russian Federation, CC BY SA 2.0, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:ACL_Primecurl_Kleopatra_Shone_Tsarina_1.jpg

Siriuksen QuintaCurl: female, short-haired, tortie-spotted bicolor American Curl with straight ears, aged 5-plus months
birthdate: April 4, 2008 (4.4.08); parentage: TICA RW QCG & CFA CH Phantasia Goldnuggetcurl x CH Siriuksen GoGoCurl
Klaukkala, southern Nurmijärvi municipality, southern Finland; September 20, 2008: Heikki Siltala, CC BY 3.0, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:Siriuksen_QuintaCurl_ACS_x_f_24_03_71.JPG

ACL Pointocurl Fiorentina: female, aged 6-plus months
birthdate: May 20, 2008 (20/05/2008)
CSKA Sports Complex, northwestern Moscow, northwestern Russia; December 6, 2008: Nickolas Titkov, CC BY SA 2.0, via Flickr @ https://www.flickr.com/photos/titkov/3092236366/

ACL Primecurl Kleopatra Shone Tsarina: female, aged 6-plus months
birthdate: September 25, 2009 (25/09/2009)
Exhibition of Achievements of National Economy (VDNKh), Ostankinsky District, northeast Moscow, northwest Russia; April 3, 2010: Nickolas Titkov from Moscow, Russian Federation, CC BY SA 2.0, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:ACL_Primecurl_Kleopatra_Shone_Tsarina_3.jpg

"American Curl Cat 101 : Breed & Personality" (3:23).
Uploaded Oct. 16, 2020, by Kitten Life to YouTube ~ URL: https://www.youtube.com/watch?v=GrRQoTjnF7c

ACL Jokihelmi Ceri: male long-haired American Curl
Lahti, Päijänne Tavastia region, southern Finland: Heikki Siltala, CC BY 3.0, via Wikimedia Commons @ https://commons.wikimedia.org/wiki/File:Jokihelmi_Ceri_ACL_n_24_male_EX1_CAP_NOM.JPG

 

"American Curl Cat 101 : Breed & Personality" (3:23).

Uploaded Oct. 16, 2020, by Kitten Life to YouTube ~ URL: https://www.youtube.com/watch?v=GrRQoTjnF7c

Sources Consulted

 

"American Curl." The Cat Fanciers' Association > Breeds. The Cat Fanciers' Association, Inc. Web. www.cfa.org

  • Available at: http://www.cfa.org/Breeds/BreedsAB/AmericanCurl.aspx

"American Curl." Vetstreet > Cats > Breeds. Vetstreet. Web. www.vetstreet.com

  • Available at: http://www.vetstreet.com/cats/american-curl#overview

The Cat Encyclopedia: The Definitive Visual Guide. London, New York, Melbourne, Munich, and Delhi: Dorling Kindersley Limited, 2014.

Robinson, Roy. "The American Curl Cat." Journal of Heredity, Volume 80, No. 6 (1989): 474–475.

Robinson, Roy. Genetics for Cat Breeders. Second edition. Oxford UK: Butterworth-Heinemann, 1991. 

Scott, Caroline. "Getting to Know the American Curl." Cats Center Stage >  Breeds. CatsCenterstage. Web. www.catscenterstage.org

  • Available at: http://www.catscenterstage.org/breeds/american-curl2.html

Soffer, Ruth. The Cat Lovers Coloring Book. Dover Pictorial Archive Series. Green edition. Mineola NY: Dover Publications, Inc., 2007.

Vella, Carolyn M., and Lorraine M. Shelton. Robinson’s Genetics for Cat Breeders and Veterinarians. Fourth edition. Oxford UK: Elsevier Limited, 2003.

 

ACL Jokihelmi Ceri: male long-haired American Curl

Lahti,  Päijänne Tavastia region, southern Finland
Lahti, Päijänne Tavastia region, southern Finland
the end which is also the beginning
the end which is also the beginning

The Cat Encyclopedia by DK Publishing

Offers everything you need to know about cats in one easy-reference volume. Features stunning photographs of cat breeds from around the world combined with expert advice on kitten and cat care, and a celebration of cats in art and culture.
cat-themed books

The Cat Lovers Coloring Book (Dover Nature Coloring Book) by Ruth Soffer ~ excerpt: "American Curl cats are easy to recognize because of their unusual ears."

The world's top cats are represented in thirty lovely, lifelike illustrations.
cat-themed books

Me and my purrfectly purrfect Maine coon kittycat, Augusta "Gusty" Sunshine

Gusty and I thank you for reading this article and hope that our product selection interests you; Gusty Gus receives favorite treats from my commissions.
DerdriuMarriner, All Rights Reserved.
DerdriuMarriner, All Rights Reserved.
Updated: 03/01/2024, DerdriuMarriner
 
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DerdriuMarriner on 10/03/2022

Thank you for coming over to the American curl cat wizzley, WriterArtist!

Me too, I appreciate plant life even as, like your daughter, I'm ultra-fond of feline sentients. So I also like combining my two loves, what with feline sentients looking, photographing and romping so fetchingly with plants, even when the latter leave burrs and pollen on them!

WriterArtist on 09/29/2022

The Cat Lovers' coloring book cover looks beautiful. I am more of a plant lover but my daughter is very fond of cats. So long story short - I end up with lot of cute cat videos with all funny expressions and cute cat gimmicks. And I can understand why people fall in love with cats. Your article shows cute picture of cats with curled ears. They do deserve the stardom and attention.

DerdriuMarriner on 12/28/2015

iggy, Cats won me over, too! I agree: American curl cats have cute ears.

iggy on 12/28/2015

I became a cat person when Sassy came into my life and taught me they have big personalities. The ears are cute on these cats.

DerdriuMarriner on 11/13/2014

WordChazer, "Screaming humans": sad but true and seems to be getting worse!
Kittycat babies are so adorable. I love the way that they're lighter than air. Cats enjoy a lifelong adorability, from kittenhood through cathood.
"And talk in mews": yes! such a charming language.

Guest on 11/13/2014

I agree, Dee. I'd much rather have a world populated by cats and not so many screaming humans. Had altogether too much of Everyone Else's Babies this week...the only babies I'm interested in have four paws, a tail and whiskers. And talk in mews.

DerdriuMarriner on 11/12/2014

WordChazer, That is awful! Ingestion of antifreeze is supposed to bring about a horribly painful death. That is cruelty to animals, which is supposed to be a common trait in serial killers. I hope that the cats in your area are able to band together and elude those nasty people.
Cats are great company, unlike some (or many?) humans. ;-[]
I especially admire the bravery of strays, putting one paw in front of the other, no matter what, despite their shortened lives from exposure to the elements (which, incidentally, affects their mewing) and mistreatment by humans.

Guest on 11/12/2014

Removed to order is my best guess, Dee. Either deliberately targeted for the resale/breeding value of pedigree cats or poisoned because someone doesn't like cats out in nature (messing their garden, scaring the wildlife, eating their fish, threatening their own animals or children). Antifreeze is altogether too popular around here as a means of cat removal. I'd rather have cats than humans...

DerdriuMarriner on 11/12/2014

WordChazer, Do you have any idea of the reason for so many animals "going missing" thereabouts? That is scary, indeed. It's sad to see those "Missing" posters.

Guest on 11/12/2014

I don't think I'd dare have a pedigree cat around here. The numbers of animals going missing is scary, and one as unusual as an American Curl would definitely atract the attention of the wrong type of person.


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