How to tell whether a Border Collie is pure or not? The Border Collie's mouth will be slightly longer, U-shaped, and rounder. Most of the Border Collie's ears are semi-erect, but the ears of the Border Collie cannot be fully erect when they are just born. ; Border Collies are relatively slender, and there are more black and white ones on the market. The puppies will be relatively rounded when they grow up.

Mouth shape

Generally, we see that the mouth of a border collie is slightly longer, but we cannot judge the type of dog based solely on the length of the mouth shape, as it is easy to make mistakes. Because many dogs have longer mouths. Border Collies usually have a U-shaped mouth, and their mouths are also rounder.

Ears

Most of the Border Collie’s ears are semi-erect, which means that if the dog recommended by the merchant has droopy or completely erect ears, you can pay attention.

Of course, we cannot make direct conclusions based on our ears alone. We must also consider other characteristics, after all, dogs, like people, look different. The ears of a Border Collie cannot be fully erect when they are just born, but this will improve as they grow older.
Body shape and color

It is recommended that parents choose their favorite dog based on size and color. This does not mean that it is easier to determine the breed of the dog. This is because most people keep dogs for fun or companionship. Therefore, it is more important to choose a Border Collie with the same eye and temperament as you, rather than choosing a single breed.

Bian Collie is relatively slender and looks like an athlete who is good at running. Currently, there are many black and white border collies on the market. Border Collie puppies are relatively round and not as slender as they grow up.

Eyes

Border Collies have very bright eyes, so when choosing a Border Collie, you must choose one with bright and shiny eyes. Such dogs are healthier.

Character

If divided by human personality characteristics, border collies should be relatively neutral, not very shy or violent, easier to cultivate than other breeds, and superior in intelligence.

Crying

Border collies generally do not bark in familiar environments, but they become sensitive when going out to unfamiliar places and are prone to barking at passers-by. This is probably also an instinct for self-protection.