Pies: The Chihuahua was named for the state in northwestern Mexico where they were discovered

Evidence: 54 • authority: 72

The Mexican lapdog, also known as the Ytzcuinte potzotli, is an extinct breed of lap dog originating in Mexico. Noted for its small size, it was the smallest known dog breed. Another Mexican breed, the chihuahua, is the smallest breed still in existence.

Evidence: 53 • authority: 80

The manganese metallogenic province in the state of Chihuahua, Mexico

Evidence: 45 • authority: 92

Retrospective Study of Malignant Cutaneous Tumors in Dog Populations in Northwest Mexico from 2019 to 2021.. Cutaneous neoplasia is among the most common illnesses in dogs and can pose significant risks. Accurate morphological diagnosis of these conditions is vital for effective treatment and management. In this retrospective study, a total of 3746 canine skin biopsies were submitted to a veterinary reference diagnostic laboratory and evaluated using histopathology. The variables assessed included age, sex, breed, lesion, location, and histopathological diagnosis. Non-neoplastic lesions accounted for 61% of all analyzed samples, while neoplastic tumors accounted for 39%. When looking at age…

Evidence: 45 • authority: 72

The caramelo (Portuguese: [kaɾaˈmɛlu] ) is a mixed-breed, caramel‑colored dog type traditionally associated with a free-ranging lifestyle in Latin America. In addition to the honey-colored coat, the designation "vira-lata caramelo" (Brazilian Portuguese for 'caramel trashcan-tipper') also refers to the fact that the lack of pedigree is a major feature of its notability. Mutts have long been found on the streets of Latin American countries. As of 2026, Mexico's population of stray dogs has been estimated to be near 30 million. In Brazil, the estimated population of stray dogs has increased one order of magnitude from 3.9 million in 2018 to 20 million in 2026. Of all the free-ranging dogs liv…

Evidence: 45 • authority: 72

The Techichi is an extinct breed of small dog bred by the Toltec culture in the 9th century C.E. It is thought to be an ancestor of the modern Chihuahua.

Evidence: 45 • authority: 72

A lap dog or lapdog is a dog that is both small enough to be held in the arms or lie comfortably on a person's lap and temperamentally predisposed to doing so. Lapdog is not a specific breed, but a generic term for a type of dog that is small in size and friendly toward humans. Lap dogs historically have been kept in many societies around the world by individuals with the resources to support a non-productive animal, and a lifestyle which allows for much contact with the dog. They are docile companion dogs with no working function other than companionship. Genetic analysis reveals that lapdogs are among the earliest specific types of dogs to live with people. Today, most lapdog breeds fall…

Evidence: — • authority: 38