Adelie Penguins

With its white "shirt" front and white ring around its eyes, the Adelie is the stereotypical penguin. They are the smallest and most widely distributed penguins in the Antarctic -- adults weigh only about 12 pounds and stand but 28 inches high. The Adelie is also the most commonly studied of all the penguin species. It is estimated there are some 2.5 million pairs of Adelies around the continent. Adelie colonies form on islands, beaches and headlands all around the Antarctic coast. The presence of groups of hundreds of thousands of birds is not unusual