The Jack Russell Terrier takes its name from the Rev. John Russell, a nineteenth-century Devon parson who wanted a white terrier that could keep up with hounds and bolt foxes from their dens. Today's dogs are compact and mostly white, about 10 to 15 inches tall, with black or tan markings and smooth, broken or rough coats. The taller show type is registered in the US as the Parson Russell Terrier.
Many Jack Russells are bold, clever and funny, with a strong prey drive and a talent for digging, climbing and escaping. In Columbia, where yards, creek corridors and trails are full of squirrels and rabbits, that drive has plenty of triggers. They suit active people who enjoy training, though dogs vary, so judge each one by how it actually behaves.