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
Northern breed group Northern breed group Northern Breed Group is the name of a breed group of dogs, used by kennel clubs to classify a defined collection of dog breeds. Dogs listed in the "Northern Breed Group" may not all be of the same type of dog. Spitz-type dogs are the primary dog type of the Arctic and northern parts of the world, and the Shiba Inu, Chow Chow, Alaskan Malamute, Siberian Husky and Samoyed are being shown by genetic research to be descendents of the oldest dog types known. The Spitz or Northern-type dogs of today developed from antiquity along with humans,