The Sooty Tern is a seabird that frequents islands around the equator, such as St. Helena and Ascension.
This very thick (3.2 mm) coin was issued in 1984 only.
All coin images in Daniel's Coin Zoo are from my personal collection. I collect, research, and personally photograph every coin displayed on this site. PLEASE do not take my images without permission. If you would like to use any coin image you see, just ask me. Thank you.