United Kennel Club (UKC)
Boerboel

The Boerboel is a large, protective breed from South Africa used for guarding and companionship.
Bolognese

The Bolognese is a small, white companion dog from Italy that is known for being calm and affectionate.
Border Collie

The Border Collie is an intelligent and energetic herding breed known for its athleticism and work ethic.
Border Terrier

The Border Terrier is a small, active, and friendly working terrier breed with a distinctive otter-like head.
Borzoi

The Borzoi is a large, elegant sighthound from Russia that requires regular exercise and has a gentle, loyal temperament.
Boston Terrier

The Boston Terrier is a friendly, small companion dog with tuxedo-like markings.
Bouvier des Ardennes

The Bouvier des Ardennes is a loyal and protective herding dog with medium height and weight, known for its fawn, brindle, or gray double coat.
Bouvier des Flandres

The Bouvier des Flandres is a large, loyal, and protective herding dog from Belgium.
Boxer

The Boxer is a loyal, energetic, and playful working breed originally from Germany.
Boykin Spaniel

The Boykin Spaniel is a medium-sized, versatile hunting dog and family companion.