(Arctic Terns, Plymouth Beach, MA, 7/8)
... Deserves another. However, in this case, there was not just one other good tern, but 4. On a trip to Cupsogue, a great birding location on Long Island, I saw Gull-billed, Roseate, Sandwich, and Royal Terns. A lengthy trip report will be posted as soon as I write it, which might, unfortunately, be a while.