The Jack Russell Terrier was developed in nineteenth-century Devon, England, by the Reverend John Russell, who wanted a mostly white terrier that could keep up with hounds and bolt foxes from their dens. Today's dogs are compact, about 10 to 15 inches tall, with black or tan markings and smooth, broken or rough coats. The taller type is registered in the US as the Parson Russell Terrier.
Many Jacks are bold, clever and funny, with a strong prey drive and a talent for digging, climbing and escaping. In Hagerstown, that means a secure leash outside and regular fence checks at home. They suit active adopters who enjoy training, and many end up in shelters because their energy was underestimated. Dogs vary, so look at each adult's own habits.