Bernese Mountain Dog
- BREED GROUP:Working
- WEIGHT:70 to 120 lbs
- HEIGHT:23 to 28 inches
- COLOR(S):Tri-colored. Black with tan markings and white flashings.
Bich-Poo
- BREED GROUP:Toy
- WEIGHT:6 to 12 lbs
- HEIGHT:9 to 12 inches
- COLOR(S):Cream, black, blue, and orange-yellow.
Bichon Frise
- BREED GROUP:Non-Sporting
- WEIGHT:7 to 12 lbs
- HEIGHT:10 to 12 inches
- COLOR(S):Solid white and cream colors.
Biewer Terrier
- BREED GROUP:Toy
- WEIGHT:7 to 8 lbs
- HEIGHT:Up to 8.5 inches
- COLOR(S):Gray, white and red combinations
Black and Tan Coonhound
- BREED GROUP:Hound
- WEIGHT:55 to 75 lbs
- HEIGHT:23 to 27 inches
- COLOR(S):Black with tan markings.
Black Mouth Cur
- BREED GROUP:Sporting
- WEIGHT:40 to 95 lbs
- HEIGHT:18 to 28 inches
- COLOR(S):Reddish brown, yellow, red, brown. Brindled or solid with a black muzzle.
Black Russian Terrier
- BREED GROUP:Working
- WEIGHT:80 to 160
- HEIGHT:26 to 30 inches
- COLOR(S):Black, black with mixed in gray hairs.
Bloodhound
- BREED GROUP:Hound
- WEIGHT:80 to 110 lbs
- HEIGHT:23 to 27 inches
- COLOR(S):Red, black and tan, dark reddish brown and tan.
Bluetick Coonhound
- BREED GROUP:Hound
- WEIGHT:45 to 80 lbs
- HEIGHT:20 to 27 inches
- COLOR(S):Tri-colored. Speckled black spots on white.
Bobtail
- BREED GROUP:Herding
- WEIGHT:65 to 100 lbs
- HEIGHT:20 to 24 inches
- COLOR(S):White and gray
Boerboel
- BREED GROUP:Working
- WEIGHT:154 to 200 lbs
- HEIGHT:23 to 28 inches
- COLOR(S):red, yellow cream ,dilute ,brown ,fawn ,brindle ,red brown, black and even white cream.
Bolognese
- BREED GROUP:Toy
- WEIGHT:4.5 to 9 lbs
- HEIGHT:10 to 12 inches
- COLOR(S):White
Border Collie
- BREED GROUP:Herding
- WEIGHT:30 to 45 lbs
- HEIGHT:18 to 23 inches
- COLOR(S):Black, dark brown, and blue merle. Varying amounts of tan and/or white.
Border Terrier
- BREED GROUP:Terrier
- WEIGHT:12 to 16 lbs
- HEIGHT:10 to 11 inches
- COLOR(S):Wheaten, blue and tan, grizzle and tan, or red.
Borzoi
- BREED GROUP:Hound
- WEIGHT:60 to 105 lbs
- HEIGHT:26 to 28 inches
- COLOR(S):All colors recognized in the Hound category.
Boston Terrier
- BREED GROUP:Non-Sporting
- WEIGHT:10 to 25 lbs
- HEIGHT:15 to 17 inches
- COLOR(S):Black, brindle, seal, with white markings on muzzle, between eyes, and chest. Possible white markings on legs.
Bouvier des Flandres
- BREED GROUP:Herding
- WEIGHT:69 to 90 lbs
- HEIGHT:24 to 28 inches
- COLOR(S):Dark reddish brown to black, salt and pepper, brindle, and gray.
Boxer
- BREED GROUP:Working
- WEIGHT:50 to 80 lbs
- HEIGHT:50 to 80 lbs
- COLOR(S):Reddish brown and brindle, with or without black mask and white flashing.