There are 20 species of penguins. The smallest 'Little Blue' is 13 inches in length, the largest 'Emperor Penguin' stands over 3 feet. Their black and white coats are called, 'Tuxedos'. Some weigh as much as 90 lbs., they can dive to a depth of 1800 feet for 27 minutes. Life spans of 15-20 years, they are the 'Kings and Rulers' of icy waters.