The Border Collie is a medium-sized breed of dog that is known for its intelligence, athleticism, and herding ability. They were originally developed in the border region between Scotland and England as working dogs, and they are still used for this purpose today.

Border Collies have a medium-length, thick coat that can be black, white, red, or any combination of these colours. They have a strong, athletic build and are known for their endurance and stamina.

Border Collies are highly intelligent and are often considered to be one of the most trainable breeds of dog. They excel in obedience, agility, and herding trials, and they are often used as working dogs on farms and ranches. They are also known for their affectionate and loyal nature, and they make great pets for families with children.

Border Collies are generally healthy and have a lifespan of around 12-15 years. However, they can be prone to certain health problems such as hip dysplasia, eye problems, and skin allergies. It is important for Border Collie owners to be aware of these potential health issues and to take steps to prevent them.

Overall, Border Collies are a popular breed of dog that are well-suited for people who are looking for a highly intelligent, athletic, and affectionate companion. They are often used for working purposes, but they also make great pets for families with children. They are recognized by major kennel clubs, including the Canadian Kennel Club (CKC).