"...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 Arthur Conan Doyle
"...A dog reflects the family life. Whoever saw a frisky dog in a gloomy family, or a sad dog in a happy one? Snarling people have snarling dogs, dangerous people have dangerous ones...."
Random Facts :
Chihuahua's
Brain Size
I like big brains, and I cannot lie! It is a proven Chihuahua fact that, in body to brain ratios, these little dogs have the biggest brain of any other breed. This will come as no surprise to dedicated Chi lovers who know just how smart and clever their little dog can be!
Chihuahua's
Size
Chihuahuas are the smallest breed of dog in the world. Most people won’t dispute this fact about Chihuahuas as they can be as small as just one pound when fully grown!