St. Bernards are giant, gentle dogs with a distinctive red and white coat. Originally bred as rescue dogs in the Swiss Alps, they are known for their calm and friendly nature. Despite their imposing size, they are affectionate and good-natured, making them excellent family pets. St. Bernards are characterized by their iconic barrel around the neck, a symbol of their historical role in mountain rescue. Their loyalty, patience, and gentle demeanor contribute to their popularity as beloved and dependable companions.