Tri-color merle Border Collies are indeed not commonly seen. When it comes to assessing the quality of a merle Border Collie, a key indicator is the symmetry of the facial markings. Ideally, a purebred merle should exhibit symmetrical patterns on its face, with ears that are typically either erect or semi-erect.
A high-quality merle Border Collie will display not only symmetrical facial markings but also symmetry in other features, such as the eyes and ears. The ears are usually erect or semi-erect and set wide apart. The breed is characterized by a longer nasal bridge, giving their face a defined and balanced look. Often, merle Border Collies possess striking blue eyes, which distinguish them from standard Border Collies. Furthermore, a healthy merle Border Collie should have firm paw pads and compact toes.
The coat is a significant characteristic of a herding dog. The coat colors include silver-black, tri-color (brown, black, and white), and merle (light gray-blue mixed with light gray and white). White is a necessary color, but if more than 50% of the coat is white, it will result in point deductions in competitions. White should appear on the neck, chest, legs, and face.
Border Collies are known for their high intelligence and exceptional memory. They possess a strong sense of direction, often finding their way back home. Sometimes, a Border Collie might playfully run away, appearing to ignore calls, as if engaging in a game. Border Collies are also highly sensitive dogs. They might show signs of being upset or have emotional responses to criticism or scolding from their owner. These sensitivities are important to consider when training and interacting with the breed. Regular and positive training sessions that reinforce their natural herding instincts can be effective, further solidifying the bond between owner and pet, and ensuring a happy, well-adjusted companion. Remember, consistency in training, paired with ample opportunities for mental and physical activity, will help prevent behavioral issues, thus enhancing the quality of life for your intelligent and energetic Border Collie.