What is the difference between a Australian Shepherd and a Chihuahua?

The Australian Shepherd is 40–65 lbs, 18–23 in sized while the Chihuahua is 3–6 lbs, 5–8 in sized. They differ in size (40–65 lbs, 18–23 in vs 3–6 lbs, 5–8 in), lifespan (12–15 years vs 14–16 years), and care requirements.

Which breed is better with kids, Australian Shepherd or Chihuahua?

Australian Shepherd is generally good with kids. Chihuahua is not typically good with kids.

Which breed lives longer, Australian Shepherd or Chihuahua?

The Australian Shepherd has a lifespan of 12–15 years while the Chihuahua has a lifespan of 14–16 years.

Australian Shepherd vs Chihuahua — Breed Comparison

About the Australian Shepherd

Despite its name, the Australian Shepherd was actually developed in the western United States during the 19th century, likely from Basque shepherd dogs that passed through Australia on their way to America. These versatile herding dogs stand 18–23 inches tall and weigh 40–65 pounds, with a medium-length double coat that comes in four recognized colors — black, blue merle, red, and red merle — often with striking copper and white markings. Their coats are weather-resistant and require regular brushing to manage moderate-to-heavy shedding.

Temperament & Personality

Australian Shepherds are brilliant, energetic, and deeply devoted to their families — they thrive when given a purpose and can become anxious or destructive without one. They are excellent with children, often naturally herding and watching over younger family members. Aussies are typically friendly with other dogs but can be reserved with strangers, and their intelligence makes them exceptionally responsive to training.

Pros

One of the most intelligent and trainable breeds — excels in agility, flyball, and herding
Loyal and affectionate family companion who bonds closely with all household members
Versatile working dog adaptable to ranch life, sport, or active suburban living
Beautiful, eye-catching coat with striking color variations including heterochromia

Cons

Demands extensive daily exercise and mental engagement — easily 1–2 hours minimum
Heavy shedding, especially during seasonal coat changes
May herd children, cats, and other pets by nipping at heels
Prone to epilepsy, hip dysplasia, and the MDR1 gene mutation affecting drug sensitivity

Aussies are incredible partners for active families — discover adoptable Australian Shepherds waiting for you on Puplister.

About the Chihuahua

The Chihuahua is the world's smallest dog breed, originating from the Mexican state of Chihuahua where ancestors of the breed were kept by the ancient Toltec civilization. Standing just 5–8 inches tall and weighing a mere 2–6 pounds, these tiny dogs come in smooth-coat and long-coat varieties with virtually every color and pattern combination imaginable. Despite their diminutive size, Chihuahuas carry themselves with a bold, terrier-like confidence that belies their fragile frame.

Temperament & Personality

Chihuahuas are fiercely devoted to one person — often forming an almost obsessive bond with their chosen human. They are alert, spirited, and surprisingly courageous, frequently standing up to dogs many times their size without hesitation. While they can be wonderful companions for older children who handle them gently, their small size and tendency toward snappiness make them a poor match for households with toddlers.

Pros

Perfect apartment dogs — minimal space and exercise requirements
Exceptionally long lifespan of 14–18 years, among the longest of any breed
Portable size makes them easy travel companions for on-the-go owners
Low food costs and minimal grooming needs — especially the smooth-coat variety

Cons

Prone to patellar luxation, heart murmurs, hydrocephalus, and dental overcrowding
Fragile bones — easily injured by falls, rough play, or being stepped on
Notoriously difficult to housebreak due to tiny bladders and stubborn temperament
Tendency toward excessive barking and aggression toward strangers if not properly socialized

Discover your perfect pint-sized companion — explore Chihuahuas looking for forever homes right here on Puplister.

Australian Shepherd vs Chihuahua