Here is some general information on Lions. Lions genus are classified as Panthera and the species of a lion is called the Leo. The average male lion is 4 feet tall. The average female lion is 3 1/2 feet tall. The average length of a male lion is 5-8 feet. The average length of a female lion is 4 1/2 - 5 1/2 feet. The average weight of a male lion is 330-550 pounds. The average weight of a female lion is 265-395 pounds. The average lifespan for male and female lions is 10-14. The top speed for male and female lions is 50 miles per hour.