Toy dog term teacup dog, thus the toy/teacup boundary remains fuzzy. The standard size for a toy dog ranges from 4 to 7 pounds; anything smaller than the standard size of a toy dog may be a runt of a litter. No official size defines a teacup dog, but unofficially a teacup dog is considered to be a dog that is 17 inches or less and weighs 4 lbs or less at the age of 12 months. There are no specific teacup dog breeds, but popular types for breeding teacup dogs include: Shih Tzu, Chihuahua, Yorkshire Terrier, Poodle, Pug, Maltese, Pomeranian, and
Miniature Fox Terrier room to run around and generally how happy the dog is. The breed was most likely developed from crosses between smaller Fox Terriers and Fox Terrier types and Toy Manchester Terriers, and, later, some were crossed to other toy breeds such as the English Toy Terrier and Whippet. Hunters were seeking a smaller, speedy Fox Terrier that could be used for hunting smaller pests such as rats and rabbits. Although the origins of the breed are English, the breed was developed in and is endemic to Australia. By the late 19th century, the breed type was clearly identifiable and these