Last Updated on March 31, 2021
5. Border Collie
Currently, the Border Collie is known to be one of the most predominant working and high-energy dogs out there. Also, they are extremely intelligent, in fact, Border Callie ranks at the top when it comes to dogs. When this breed doesn’t have enough mental stimulation or physical activity, and they found themselves alone most of the time, then they are going to have bad separation anxiety and destructive behavior.
