Traf’s Trivianarium 0000007 (7/10) List item Submitted to "Traf’s Trivianarium (0000001 – 0000010)" Approved by Trafalgar Law July 4, 2017, 1:08 pm 15 Views Share Tweet Pin Source TRIVIA 0000007: Did you know that swans are the only birds with penises? MoreReport Item navigation Previous submission Next submission View full list Share Tweet Pin Written by Trafalgar Law Leave a Reply Cancel replyYou must be logged in to post a comment.