Chihuahuas can mate as soon as they are sexually active, but a responsible breeder will wait to start breeding his or her Chihuahuas until they have reached full sexual maturity at 12 to 15 months for males and 6 to 18 m... More »

Chihuahuas generally finish growing between 9 and 12 months old. Like many small dogs, Chihuahuas grow quickly in their first 12 weeks of life, after which time their growth gradually slows. More »

According to the American Kennel Club, Chihuahuas are a small, intelligent breed of dog notable for their large ears and expressive eyes. Chihuahuas are named after the Mexican state in which they were first found. Some ... More »

According to Vetstreet, Chihuahuas live 12 to 20 years. Healthy Chihuahuas have one of the longest life spans of any breed of dogs. They are also the smallest breed and the only natural toy-sized breed. More »

Chihuahuas shake because they are cold, nervous, excited or have excessive energy. In rare circumstances, tremors can indicate medical conditions such as hypoglycemia or an allergic reaction. However, the most common cau... More »

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Chihuahuas generally range in size from 6 to 9 inches tall at the shoulder and weight anywhere from 3 to 6 pounds. However, some Chihuahuas can reach up to 15 inches at the shoulder. Breed standards generally do not reco... More »

There are two different types of Chihuahuas: the smooth coat Chihuahua and the long coat Chihuahua. These two types come in a variety of colors including black, fawn, white, gray, silver and chocolate as well as color co... More »