The reason Border Collies cannot be guide dogs is that they usually have their own minds. Border Collies are the dogs with the highest IQ among dogs. It is precisely because of this that they are often self-centered. After their owners give orders, they will do what they think is right. Moreover, Border Collies have a unique personality. Too lively and easily disturbed by the outside world.

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Border collies are very timid. Once any abnormal phenomenon occurs around them, they are likely to abandon their owners and run away. They are very vigilant and have a certain degree of aggression, so in normal times, they are likely to actively attack people or other animals.