The first Pyrs kept as pets had rather assertive, warrior like personalities but are now kind natured, patient and noble due to generations of selective breeding. They are courageous, affectionate and mix well with children and like to be included in all family activities. However, they can be aggressive towards other dogs of a similar size and to strangers making excellent guard dogs Their size and tendency to bark a lot make them unsuitable for urban areas. They are highly intelligent and can be stubborn, so it is important to train them from an early age.