Described as sprightly, tomboyish and affectionate by the AKC, the Yorkshire terrier was first recognized by the Club in 1885. “The dog’s high head carriage and confident manner should give the appearance of vigor and self-importance,” according to the AKC. Yorkies, as they are affectionately called, are part of the toy group (a category that also includes the Chihuahua), and weigh between 4 and 7 pounds (1.8 and 3.2 kg). Named for the city in England where they originated, Yorkshire terriers were used to catch rats in clothing mills in the 19th century. Though this portable pooch is now an accessory of the rich and famous, the breed once belonged to the working class, particularly weavers, according to the AKC.