Active, playful, intelligent, affectionate, and at times bossy, the Pyrenean Shepherd temperament is equal parts work ethic and love. These dogs, with their history as herders, are incredibly task-oriented, and they have strong herding instincts--which not only means they'll try to control moving objects, but they can be controlling and even dominant in general. Pyr Sheps are great with kids, though, and will play with them for hours; on the other hand, their bossy personalities mean they often don't mix well with other pets (Pyr Sheps do best in a "one-pet household," in other words). They're usually mistrustful of strangers as well. All this means that Pyr Sheps will need plenty of socialization with various types of people, animals, and situations as early in the dogs' lives as possible.
Training dogs of this breed, especially if begun in puppyhood, can be pretty easy; though highly intelligent and enthusiastic, Pyr Sheps can have an independent streak, and may require a few repetitions to learn tasks and commands. In any case, positive, reward-based training methods work best with these dogs.
And because of its alertness and controlling demeanor--not to mention its high barking tendency--the Pyr Shep makes a great watchdog, and will sound a vocal alarm if it perceives a potential threat.