The english bulldog is a type of dog with unusually big shoulders and a matching head. A bulldog is an incredible way to stay in shape and enjoy life. An adult english bulldog can range in size anywhere from 45 to 55 pounds and are about a foot and a half in height. English bulldog. There is no breed of dog better than bulldogs. English bulldogs are great with small children because of their docility and live to be about 10 years old depending on who you ask.