The Bull Terrier is perhaps best known for the breed's interesting egg-shaped head. The Bull Terrier breed is the only American Kennel Club-recognized breed with triangular eyes. Bull Terriers are as strong as they look, with powerful muscles and robust shoulders. Many people call the Bull Terrier dog breed the "gladiator of the canine race," more for the tough appearances than actual behaviour. The dogs are not as tough as they look, and can be quite playful. Here are the characteristics of the Bull Terrier breed as determined by the American Kennel Club's published breed standard. Bull Terrier's Behaviour

Bull Terrier breed is known for being active and playful. Bull Terriers can also become very attached to particular individuals in their families. At times, the dogs can seem harder to train than other breeds. Remember that breed only provides a general clue as to any individual dog's actual behaviour. Make sure to get to know dogs well before bringing them into your home.