個々のケースにより、犬の賢さが違います！

以下のランキングはAKC（アメリカン　ケンネル　クラブ）により、長年にわたって、各種の犬種をでたらめに行ったテストであるので、賢いプードルがいれば、賢くないボーダーコリーもいます。又、すこく頭のいいブルドッグもめったにいます。あくまても参照です。必ずしもあなたのワンちゃんもそうだとは限りません。

1. Border Collie

2. Poodle
3. German Shepherd
4. Golden Retriever
5. Doberman Pinscher
6. Shetland Sheepdog
7. Labrador Retriever
8. Papillon
9. Rottweiler
10. Australian Cattle Dog
11. Welsh Corgi(Pembroke)
12. Miniature Schnauzer
13. English Springer Spaniel
14. Belgian Tervuren
15. Schipperke,
    Belgian Sheepdog
16. Collie, Keeshoud
17. German Shorthaired Pointer
18. Flat-coated Retriever, 
    English Cocker Spaniel, 
    Standard Schnauzer
19. Brittany
20. Cocker Spaniel
21. Weimaraner
22. Belgian Malinois, 
    Bernese Mountain Dog
23. Pomeranian
24. Irish Water Spaniel
25. Vizsla
26. Cardigan Welsh Corgi
27. Chesapeake Bay Retriever,
    Puli,
    Yorkshire terrier
28. Giant Schnauzer
29. Airedale Terrier,
    Bouvier Des Flandres
30. Borderterrier,
    Briard
31. Welsh Springer Spaniel
32. Manchester Terrier
33. Samoyed
34. Field Spaniel,
    Newfoundland,
    Australian Terrier,
    American Staffordshire Terrier,
    Gordon Sefter,
    Bearded Collie
35. Cairn Terrier,
    Kerry Blue Terrier,
    Irish Sefter
36. Norwegian elkhound
37. Affenpinscher,
    Silky Terrier,
    Miniature Pinscher,
    English Sefter,
    Pharoah Hound,
    Clumber Spaniel
38. Norwich Terrier
39. Dalmatian
40. Soft-coated Wheaten Terrier,
    Bedlington Terrier,
    Fox Terrier(smooth)
41. Curly-coated Retriever,
    Irish Wolfhound
42. Kuvasz,
    Australian Shepherd
43. Saluki,
    Finnish Spitz,
    Pointer
44. Cavalier King Charles Spaniel,
    German Wirehaired Pointer,
    Black and Tan Coonhound,
    American Water Spaniel
45. Siberian Husky,
    Bichon Frise,
    English Toy Spaniel
46. Tibetan Spaniel,
    Foxhound(English),
    Otterhound,
    Foxhound(American),
    Greyhound,
    Wirehaired Pointing Griffon
47. West Highland White Terrier,
    Scottish Deerhound
48. Boxer,
    Great Dane
49. Dachshund,
    Staffordshire Bull Terrier
50. Alaskan Malamute
51. Whippet,
    Chinese Shar-pei,
    Fox terrier(wire)
52. Rhodesian Ridgeback
53. Ibizan Hound,
    Welsh Terrier,
    Irish Terrier
54. Boston Terrier,
    Akita
55. Skye Terrier
56. Norfolk Terrier,
    Sealyham Terrier
57. Pug
58. French Bulldog
59. Brussels Griffon,
    Maltess
60. Italian Greyhound
61. Chinese Crested
62. Dandie Didmont Terrier,
    Petit Bassett Griffon Vendeen,
    Tibetan Terrier,
    Japanese Chin,
    Lakeland Terrier
63. Old English Sheepdog
64. Great Pyrenees
65. Scottish Terrier,
    Saint Bernhard
66. Bull Terrier
67. Chihuahua
68. Lhasa Apso
69. Bullmastiff
70. Shih Tzu
71. Basset Hound
72. Mastiff,
     Beagle
73. Pekingese
74. Bloodhound
75. Borzoi
76. Chow Chow
77. Bulldog
78. Basenji
79. Afghan Hound

All images are supported by AKC