A full-grown adult may weigh between 50 and 70 pounds. They have a lifespan of about 12 to 13 years. Bull terrier temperament. bull terriers are playful and mischievous dogs. They can sometimes ...

Black Russian Terriers are a loyal dog with a knack for protecting ... The typical black Russian terrier weight can be greater than many full-grown humans. Depending on their height, healthy ...