"...All dogs can become aggressive, but the difference between an aggressive Chihuahua and an aggressive pit bull is that the pit bull can do more damage. That's why it's important to make sure you are a hundred percent ready for the responsibility if you own a 'power' breed, like a pit bull, German shepherd, or Rottweiler...."
Dogs
by Woodrow Wilson
"...If a dog will not come to you after having looked you in the face, you should go home and examine your conscience...."
Random Facts :
Chihuahua's
Size
A Chihuahua is a Chihuahua! A fun fact about Chihuahuas is that they come in many shapes, sizes, and colors but they are ALL still Chihuahuas! Whether a “tea-cup†size or a “standard†size; whether apple-head or deer-head; whether long-haired or short-haired – there is only one Chihuahua breed.
Chihuahua's
Breed
Chihuahuas are a Toy Breed. According to the American Kennel Club (AKC), the Chihuahua is part of the Toy Breed category along with Shi Tzu, Pug, Pomeranian, Pomeranian and several other small dogs.