Border Collies and Australian Shepherds are the two highest-volume herding breeds in the US — and prospective owners constantly debate them. They share many traits (intelligence, drive, herding instinct) but differ in important ways. This side-by-side comparison breaks down which breed fits which kind of owner.
Get a Border Collie if: you can provide 2-3 hours of MENTAL work daily, want a focused work partner, and live in a quieter household. Get an Australian Shepherd if: you have an active family, want a more affectionate breed, and can provide 2 hours of physical exercise plus structured activity. Both are exceptional dogs in the right home.
Border Collie: #1 in canine intelligence — learns in fewer than 5 reps. Most trainable breed in the world by Stanley Coren's metrics. Australian Shepherd: #42 in obedience intelligence (still excellent), with fast learning and high biddability. Verdict: Border Collie is technically easier to train; Aussies are more forgiving of handler inconsistency.
Border Collie: 2-3 hours daily, but mental work matters more than physical. 30 minutes of trick training tires them faster than 2 hours of walking. Australian Shepherd: 2+ hours daily of physical exercise, plus mental work. More exercise-demanding overall. Verdict: Aussies need more pure physical exercise; Border Collies need more brainwork.
Border Collie: Best with one focused handler. Less affectionate with strangers; intense focus on tasks. Australian Shepherd: More family-oriented. Affectionate with all household members. Better with children when properly socialized. Verdict: Aussies are more family-friendly; Border Collies prefer focused work partners.
Step-by-step training program with breed-specific video demos and lifetime access. Used by 50,000+ dog owners.
See the Training ProgramBorder Collie: 30-55 lbs, agile and compact. Australian Shepherd: 40-65 lbs, stockier build. Verdict: Border Collies fit slightly better in apartments and smaller homes.
Both breeds herd children, joggers, cars, and other pets. Border Collie style: stalk-stare-chase, more focused. Australian Shepherd style: heeling and circling. Both require active management. Verdict: Tied — both need outlet activities (treibball, herding lessons, agility).
Border Collie: compulsive behaviors (shadow chasing, light fixation, obsessive ball play) when under-stimulated. Noise sensitivity. Australian Shepherd: more vocal (barking), some prone to separation anxiety, color genetics issues in poorly bred dogs (look for parents tested for MDR1).
Border Collie: most are bred from working/sport lines and have working drive — research the breeder's emphasis (sport, herding, conformation, pet). Australian Shepherd: wider breeding diversity, including 'Mini Australian Shepherd' (different breed actually — Miniature American Shepherd). Be careful what you're buying.
Both 12-15 years typical lifespan. Both prone to similar joint issues. Both need MDR1 genetic testing (drug sensitivity gene more common in herding breeds). Aussies have higher cancer rates in some lines.
Border Collie ranks higher in obedience intelligence (#1 vs Aussie's #42). But intelligence rankings measure compliance speed, not problem-solving. Both breeds are exceptionally smart — Aussies just need a few more repetitions to learn new commands.
Borderline for both. Both breeds need 2+ hours of daily exercise plus mental work. Working full-time means scheduling: 1 hour before work, 1 hour after work, plus mental work in the evening. Doable but exhausting. Better fit for active families with shared dog responsibilities.
Generally no. Both require serious commitment. Australian Shepherds are slightly more forgiving — they reward consistent effort even when the owner isn't perfect. Border Collies punish handler inconsistency more harshly.
Officially called the Miniature American Shepherd (separate AKC breed since 2015). Same temperament as standard Aussies in a 20-30 lb body. Often easier for smaller homes.
The complete training program covers every breed, every command, every behavior fix.
See the Training ProgramDisclosure: We earn affiliate commissions when readers buy through some links on this site, at no extra cost to you. Our editorial recommendations are independent.