These dogs are small pretty dogs . they like to go on aventures. They are very active brave loyal and clevor . These traits make them good companions but you need to show the who is in charge or they will be yappy and be also aggresive towards other dogs .These dogs are good for people with older children .The are easy to train except for their stubbornness . They are very difficult to house break. their height is 6 -7 inches and they weigh about 7 pounds . These dogs are great for apartment life and prefer warm wether . They do daily walks though. they live for 12 - 15 years . They do need daily grooming . These dogs were hunting rats that were in the clothimg mills and mine shafts .Their group is the terrier group .