The border collie is a working and herding dog breed developed in the Scottish borders for herding livestock, especially sheep. It was specifically bred for intelligence and obedience.
Life expectancy: 10 – 17 years
Colors: Black, White, Blue, Red Merle, Lilac, Brindle, Chocolate, Liver, Blue Merle, Sable Merle, Gold, Red
Weight: Male: 30–45 lbs (14–20 kg), Female: 27–42 lbs (12–19 kg)
Temperament: Tenacious, Intelligent, Energetic, Responsive, Keen, Alert
Height: Male: 19–22 inches (48–56 cm), Female: 18–21 inches (46–53 cm)