qT=1&tQ=Which cat classification does the American Shorthair fall under?&tC=Natural|Established|Hybrid|Mutation&cC=1&fB=The American Shorthair is a natural breed, that is, it developed naturally without undue outside influence. They were bred on the open fields of North America, where they developed as working cats in barns and farmhouses, ridding them of pesky vermin.<br><br>These years of a harsh rugged life, surviving the cold winters and hot summers, produced a healthy and adaptable cat. Today, they are prized both for their beauty and constitution. 