Difference Between Scottish Fold Cats & American Curl Cats
The histories of both the American curl and Scottish fold have similarities, though each breed originated on different continents. The American curl resulted from a spontaneous genetic mutation in a litter of kittens, born in 1981, that were found in Lakewood, California. The Scottish fold first appeared as a stray barn cat in 1961, in Scotland's Tayside Region, whose litter shared her unique characteristics, according to PetPlace.com. To prevent genetic problems, both breeds are cross-bred with non-pedigreed British or American short-haired cats to produce kittens; the American curl can also be bred with domestic long-haired cats, according to the Cat Fanciers' Association. Not all cats of either breed will be born with curled or folded ears, as 50 percent of each litter are born with straight ears.
While a spontaneous genetic abnormality is the original cause of both kinds of unusual ears, there are specific differences between the American curl and Scottish fold. In the American curl, the ears curl backward in an arclike shape, while the Scottish fold's ears fold flat and forward. An American curl's ears curl backward from 90 degrees, in the case of pet-quality cats, and 180 degrees, in the case of show-quality cats. Curl ears should not touch the back of the head or curl back toward the ear itself, according to PetPlace.com. The Scottish fold's ears fold downward and forward in a single, double or triple fold, according to the Fanciers Breed Referral List website. Show-quality folds are triple folds, which are tight against the head, giving an owl-like appearance to the cat because of her virtually flat ears.
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