Feist is a type of small American hunting dog rather than one standardized breed. Terriers brought by British settlers were crossed with other dogs across the rural South, producing quick, quiet hunters that tree squirrels and catch vermin. The United Kennel Club recognizes the Mountain Feist and the Treeing Feist, and most feists stand 10 to 18 inches tall with a short, smooth coat.
Many feists are alert, affectionate and sharp-eyed for movement, with a strong prey drive. Where wooded trails are close and squirrels are never far away, that means a leash on walks, a secure fence at home and care around cats or other small pets. Dogs vary, and a feist in a shelter may well be a mix, so judge the dog in front of you rather than the label.