Bullmastiffs are a large working breed originating in England in the mid-1800s as estate guardians to ward off poachers. They were bred by gamekeepers for strength, size and speed using a cross of the tough, heavy and aggressive Bulldog of the 19th century with the large, strong, less aggressive Mastiff. As a result, the Bullmastiff is known as the Gamekeeper's Night Dog.

The Bullmastiff is a strong, powerful but sensitive dog with a broad, wrinkled head and a fairly short, square muzzle. A Bullmastiff's coat may appear in fawn, red, or brindle.

The weight of a male is approx. 110-130lbs and females  between 100-120 lbs.

Bullmastiff Expectations:
Exercise Requirements: 40 minutes/day
Energy Level: low to moderate
Longevity Range: 8-10 yrs.
Tendency to Drool: High Tendency
Snore: High
Tendency to Bark: Low
Tendency to Dig: Low 
Social/Attention Needs: Moderate

Bullmastiffs are gentle and very affectionate with family members. Their generally calm, easy-going natures make them good dogs for families with children. Due to their size, parental supervision is advised around young children.