A Feist is a type

Dog type

Dog types are broad categories of dogs based on function, with dogs identified primarily by specific function or style of work rather than by lineage or appearance....

 of small hunting dog

Hunting dog

A hunting dog refers to any dog who assists humans in hunting. There are several types of hunting dogs developed for various tasks. The major categories of hunting dogs include hounds, terriers, dachshunds, cur type dogs, and gun dogs...

, developed via crossbreeding of various other hunting breeds in the rural southern United States

Southern United States

The Southern United States—commonly referred to as the American South, Dixie, or simply the South—constitutes a large distinctive area in the southeastern and south-central United States...

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Feists generally are small (shorter than 18 inches/45 cm, and weigh less than 30 lbs/13.61 kg), short-coated dogs with long legs, a pointed (snipy) nose. The ears set high on the head and are button, erect, or short hang ears. Traditionally the tail is a natural bobtail or docked.