Historical clue formulations

• Arctic seabird nicknamed "aerial pirate" — 2026-05-07
• Arctic seabird — 2019-07-10
• Arctic seabird — 2015-01-19
• Arctic seabird — 2009-11-17
• Arctic bird — 2008-06-08
• Gull-like predator — 2007-11-28
• Arctic bird — 2007-05-02
• Gull-like predator — 2005-03-09
• Arctic gull — 2004-10-31
• Antarctic flier — 2002-08-01
• Gull-like bird — 2002-06-29
• Arctic bird — 1999-01-18
• Rapacious seabird — 1997-08-02