Description: Extremely intelligent and energetic herding dog renowned for problem-solving and work drive.

Temperament: Energetic, intelligent, responsive, intense.

Size: (Height & Weight): 46-56 cm | 13.6-24.9 kg

Average Lifespan: 12–15 years

Origin: Scotland/England border

Reason for Breeding: Bred for herding sheep with close control and intelligence.

Reason to Get This Breed: Perfect for active, hands-on owners who can provide mental and physical work.