Chihuahua (dog) Chihuahua (dog) The Chihuahua () is the smallest breed of dog and is named after the state of Chihuahua in Mexico. Chihuahuas come in a wide variety of colors, and two coat lengths. The Chihuahua's history is convoluted, and many theories surround the origin of the breed. Both folklore and archaeological finds show that the breed has origins in Mexico. The most common theory is that Chihuahua are descended from the Techichi, a companion dog favored by the Toltec civilization in Mexico. No records of the Techichi are available before the 9th century, although dog pots from Colima, Mexico, buried
Maltese dog have originated in the mid-1960s on the U.S. East Coast and spread in popular use. This breed has been referred to falsely as the "Bichon", a name that refers to the family ("small long-haired dog") and not the breed. The Kennel Club officially settled on the name "Maltese" for the breed in the 19th century. The Maltese is thought to have been descended from a Spitz-type dog found among the Swiss Lake Dwellers and was selectively bred to attain its small size. There is also some evidence that the breed originated in Asia and is related to the Tibetan Terrier;