The Border Collie is not a large dog, it is a medium sized dog. A medium-sized dog is a breed of dog that weighs 11-30 kg and is 41-60 cm tall as an adult. The more common large dogs are Alaskan, Great Pyrenees, St. Bernard, and Old English Sheepdog. The Border Collie has a high IQ, a cheerful and lively personality, and the owner has to be patient and teach the dog to be obedient. The Border Collie is intelligent by nature, good at reading people’s minds, and can accurately understand the owner’s instructions.
