90% Compatible
Despite their massive size, Pyrenean Mastiffs are known as 'gentle giants' and were historically trusted with newborn lambs.
Known as 'American Gentleman' due to their tuxedo-like coat pattern and gentle, courteous nature.
Developed in the Pyrenees mountains during medieval times as livestock guardians, protecting sheep flocks from wolves and bears while working alongside shepherds.
Developed in Boston, Massachusetts during the 1870s, these dogs were bred from bull and terrier types to create a refined companion dog for city dwellers.
Regular brushing needed during shedding seasons. Moderate exercise requirements despite size. Joint health monitoring essential throughout life stages.
Sensitive to extreme temperatures due to flat face. Regular eye cleaning needed. Moderate exercise requirements with attention to breathing during activity.