A spontaneous mutation is an uncommon, although not rare, happening. The American Wirehair sports an exceptional coat, as each hair is bent or hooked, producing a dense, springy coat, with whiskers of the same texture. This breed was developed from the American Shorthair, so apart from the coat, the two display many similarities.
A kusa mutation ay isa uncommon, bagaman hindi pambihira, mangyari. ang america Wirehair ipagparangalan isa taliwas balutan, gaya bawa't isa buhok ay hilig o kawit, gumawa a makapal, lumundag balutan, kumuha balbas ng ang pagkapareho habi. ito mag-anak was linangin sa ang america iklilat, pagayon bukod sa ang balutan, ang dalawa itanghal marami similarities.