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 Bull Terrier described as "egg-shaped". It is flat on top with a Roman nose. The eyes are triangular and closely set. The ears are carried erect and are not cropped or otherwise altered. The tail is carried horizontally rather than vertically. Like Bull Terriers, Miniature Bull Terriers are loving and, like many terrier breeds, they can be stubborn at times; but despite this they make great dogs for people with limited space. Miniature Bull Terriers are known to be stubborn and courageous. Despite their dimuitive stature, they will readily challenge larger dogs. However, as with any dog, owners can reduce the likelihood