Border Collie: Border Collies are often considered the smartest breed. They excel in obedience training and are known for their problem-solving skills.
Poodle: Poodles are highly intelligent and come in three sizes: standard, miniature, and toy. They are quick learners and excel in various canine activities, including obedience, agility, and hunting.
German Shepherd: German Shepherds are not only intelligent but also versatile. They are commonly used in police and military work due to their problem-solving abilities, loyalty, and trainability.
Golden Retriever: Golden Retrievers are known for their friendly nature and intelligence. They are quick learners and excel in various roles, including search and rescue and assistance dogs.
Doberman Pinscher: Dobermans are intelligent, alert, and highly trainable. They are often used as guard dogs and excel in obedience training.
Australian Shepherd: Despite their name, Australian Shepherds were developed in the United States. They are highly intelligent and excel in herding and dog sports.