Bernese Mountain Dog is a striking tri-colored large dog expression is intelligent, animated and gentle. Temperament is self-confident, alert and good natured, never sharp or shy. The Bernese Mountain Dog should stand steady, though may remain aloof to the attentions of strangers. Like the other Sennenhunds, the Bernese Mountain Dog is a large, heavy dog with a distinctive tricolored coat, black with white chest and rust colored markings above eyes, sides of mouth, front of legs, and a small amount around the white chest. Bernese are outdoor dogs at heart, though well-behaved in the house; they need activity and exercise, but do not have a great deal of endurance. They can move with amazing bursts of speed for their size when motivated.