adolescentdogbehaviorBorderCollieenrichmentcalmnesstrainingdogcounterconditioningdoorbellbarkingtrainingexcessivedogbarkingherdingballsafetymentalstimulationfordogs 4 Aug 2026 Why a 1-Year-Old Border Collie Barks at Everything and What You Can Do A 1-year-old Border Collie may bark at doorbells, unfamiliar people, passing dogs, household nois…