The Chihuahua is a breed of small dog that is named after a state in Mexico. This breed did, in fact, originate in Mexico and is now common in the United States as well. It is generally kept as a pet.
Chihuahuas usually weigh less than eleven pounds, with males and females having about the same size. They can reach about six to ten inches in height and come in a range of colors. White, black and tan are the most common. Most litter contain four puppies and the average Chihuahua lives to about 12 years old, though some live much longer.
Chihuahuas can have difficult temperaments and are very sensitive to the temperaments of their owners. They often grow very protective of their owners and tend to do best when kept in pairs or small groups.