1. Border Collies – known for their intelligence and ability to learn complex tasks

2. Poodle – highly trainable and adaptable, excelling in obedience and agility training
3. German Shepherds – often used as police and military dogs due to their intelligence and loyalty
4. Golden Retriever – easy to train and eager to please, often used as service and therapy dogs
5. Labrador Retriever – highly trainable and versatile, often used as guide and search and rescue dogs
6. Doberman Pinscher – highly intelligent and protective, often used as guard dogs
7. Australian Cattle Dog – known for their problem-solving skills and ability to learn quickly
8. Shetland Sheepdog – highly trainable and loyal, often used as therapy dogs
9. Rottweiler – intelligent and protective, often used as guard and police dogs
10. Papillon – intelligent and trainable, excelling in obedience and agility training
11. Australian Shepherd – known for their intelligence and ability to learn complex tasks
12. Belgian Malinois – highly intelligent and versatile, often used as police and military dogs
13. Bernese Mountain Dog – intelligent and eager to please, often used as therapy dogs
14. Bloodhound – highly skilled at tracking and scent work, often used in law enforcement

15. Border Terrier – intelligent and trainable, excelling in obedience and agility training
16. Boxer – intelligent and loyal, often used as guard and service dogs
17. Cavalier King Charles Spaniel – intelligent and affectionate, often used as therapy dogs
18. Chesapeake Bay Retriever – intelligent and trainable, often used as hunting and retrieving dogs
19. Collie – intelligent and loyal, often used as therapy dogs
20. English Springer Spaniel – intelligent and trainable, often used as hunting and retrieving dogs.