BonniDune Kennel is located in
Southern Indiana, USA. Although I started
with German Shepherd Dogs, today BonniDune is
dedicated to showing, trialing and producing
sound, versatile Border Collies.
BonniDune is proud to be recognized as an AKC Breeder of Merit.

Puppies Born December 25, 2013

What Is A Blaze On A Border Collie

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Border Collies are known for their intelligence, agility, and distinctive appearance. One of the defining features of a Border Collie’s face is the blaze. In this article, we will explore what exactly a blaze is and its significance in the breed.

What is a Blaze?

A blaze refers to a white marking on a Border Collie’s face. It is a wide stripe of white fur that typically extends from the forehead down to the muzzle. The size and shape of the blaze can vary from dog to dog, ranging from a thin line to a broader area that covers a significant portion of the face.

Variations in Blaze Patterns

Blazes on Border Collies can come in various patterns. Some common variations include:

  • Single Blaze: This is the most common type of blaze, where the white marking is a single continuous stripe down the center of the face.
  • Split Blaze: In this pattern, the blaze splits into two narrower stripes as it extends down the face.
  • Irregular Blaze: An irregular blaze does not follow a specific pattern and may appear as a patchy or broken white marking on the face.

Why Do Border Collies Have Blazes?

The blaze on a Border Collie’s face is predominantly a result of genetics. It is an inherited trait that is passed down from generation to generation. While the exact purpose of the blaze is not fully understood, it is believed to be a result of genetic variations that occur during the development of the dog’s pigmentation.

Significance in the Breed

The blaze is considered a desirable trait in Border Collies and is often sought after by breeders and enthusiasts. It adds to the distinctive appearance of the breed and can make individual dogs easily recognizable. The blaze does not have any direct impact on a Border Collie’s temperament or working abilities, but it is a characteristic that many people associate with the breed.

Caring for a Border Collie with a Blaze

When it comes to grooming, the blaze requires no special treatment. Regular brushing and cleaning of the face are sufficient to keep the white fur clean and free from debris. It is important to note that the skin underneath the white fur of the blaze is often more sensitive to sunlight, so it is recommended to apply pet-safe sunscreen on the area when the dog is exposed to prolonged sun exposure.


The blaze on a Border Collie’s face is a distinctive marking that adds to the breed’s unique appearance. While the exact purpose of the blaze remains unknown, it is a trait that is cherished by Border Collie enthusiasts. Whether a single stripe, split, or irregular pattern, the blaze is a beautiful feature that sets Border Collies apart from other dog breeds.

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