Airedale Terrier: terrier from River Aire valley. Bred from Old English Black & Tan terrier, Otterhound & other Terriers.
Pit bulls: strong, lovable breed, originated from bull-baiting, adapted as farm dogs, retain working dog qualities.
English Bulldog: originated in 13th century, mellow and wheezing, contrasting American Bully, yet undeniably lovable.
Doberman Pinschers: royal, robust, German guard dogs. Crossbred from Rottweiler, German Pinscher, Black and Tan Terrier. Great for security.
Cane Corso: huge, intimidating Italian Mastiff. Requires experienced training and socialization. Not for inexperienced owners.
Rottweilers: German breed known for immense strength. Used as security, herding, and working dogs. Intelligent and trainable, great for guard/police work.
Greyhound: lean, fast, muscular sighthound. Speed of 45 mph. Surprisingly lazy couch potatoes. Less exercise needed due to lower stamina.
Boxer: athletic, mixed breed hunting dog. High endurance, intelligence. Sociable, devoted, and charming. Good security dogs.
Am. Bully: mix of Am. Bulldog, Am. Staff. Terrier, Olde Eng. Bulldog, & Am. Pit Bull Terrier. Distinct breed created in 1980s. Resemble Pitbulls.
Dogo Argentino: fearless breed for hunting, used by military/police in search & rescue. Intelligent, athletic, courageous. Show dogs, great guardians.