Black Russian terrier are found in various sizes ranging from large to giant breeds. They are also known as Chornyi, Terrier Noir Russem, Schwarzer Russicher Terrier, Tchiorny Terrier, Mustaterrieri, Black Terrier, Russian Bear Schnauzer and Stalin's Dog. They are used as working dogs and guard dogs. They have heavy bone structure and muscular built. It grows to a maximum height of 29 inches and weighs in between 80-143 pounds. Its coat is weatherproof, rendering It protection against various weathers. Its gaIt is smooth and effortless. It is known for Its calm and composed nature. Its rich black coat renders It a distinct and adorable appearance. It's obstinate and independent. They are affectionate towards children and reserved wIth strangers.