[{SlideShowNav}] !!!Chinstrap penguin rookery [{Image src='250ay.jpg' width='800' alt='Chinstrap penguin rookery' class='image_left' height='600'}] [{SET customtitle='Chinstrap penguin rookery'}] \\ A Chinstrap penguin rookery. These penguins derive their name from the narrow black band under their heads that make it appear as if they are wearing black helmets. They build a circular nest with stones and lay two eggs.