Chihuahua

Chihuahua Overview

Named for the Mexican state where the breed was rediscovered by American tourists in the 1850s, the Chihuahua's ancestry likely traces to the Techichi, a small companion dog kept by the Toltec civilization, though genetic links to the extinct Techichi remain debated among researchers. Despite the smallest average size of any recognized breed, Chihuahuas display a disproportionately large, often territorial personality, and the breed's longevity — commonly reaching 15 or more years — means owners are making one of the longest-term commitments in the dog world relative to the animal's diminutive footprint.

Temperament

• Bold, confident, and often territorial
• Deeply attached to one or two people
• Wary of strangers and unfamiliar dogs
• Prone to small-dog syndrome without consistent training

Full Breed Facts

• Patellar luxation
• Tracheal collapse
• Hydrocephalus (elevated risk in the breed)
• Dental disease from crowded small jaws

Care Tips

• Supervise closely around young children and larger dogs given fragile size
• Establish consistent training boundaries early — Chihuahuas are prone to developing behavioral issues if allowed to 'run the household'
• Protect from cold — their small size and often thin coat make them poor at regulating body temperature

Is the Chihuahua Right for You?

The Chihuahua tends to suit owners who can genuinely meet its exercise needs and grooming demands. Before committing to this breed, it's worth spending time with an adult individual (not just a puppy or kitten, whose adult temperament isn't yet fully expressed) to confirm the fit feels right for your household and daily routine.