Without a question Chihuahua is the smallest breed of dogs in the world. It is an interesting fact to note that apart from being the smallest dog in the world they are also among the most loyal breed. The Chihuahua also has the distinction being the oldest breed in America. They were named Chihuahua after the region in Mexico where they were found in greater number.

Without a question Chihuahua is the smallest breed of dogs in the world. It is an interesting fact to note that apart from being the smallest dog in the world they are also among the most loyal breed. The Chihuahua also has the distinction being the oldest breed in America. They were named Chihuahua after the region in Mexico where they were found in greater number.

The Chihuahua is also known as a toy dog because of its exceptionally small size. They also got a new name pocket dog when a Chihuahua was found from Paris Hiltons purse. The average height of Chihuahua dog is 5-8 inches. Their weight varies from 2-6 pounds. Their lifespan is higher than any other dog breed. The average life of healthy Chihuahua is 16 to 18 years.