Historical clue formulations

• Wings, to zoologists — 2017-05-14
• Wings: Lat. — 2014-12-15
• Botanical wings — 2014-02-05
• Wings: Lat. — 2012-12-16
• Wings, in zoology — 2012-08-22
• Zoological wings — 2011-12-29
• Wings, in zoology — 2011-01-04
• Wings on an avis — 2010-12-12
• Butterfly wings, e.g. — 2009-08-20
• Latin wings — 2009-06-04
• Wings, zoologically — 2009-05-14
• Wings: Lat. — 2008-06-03
• Wings: Lat. — 2004-07-26
• Wings: Lat. — 2003-02-24
• Wings — 2002-10-09
• Wings: Lat. — 2002-04-15
• Winglike parts — 2002-02-27
• Avis features — 2001-12-22
• Winglike appendages — 2001-01-25
• Wings — 2000-08-20
• Wings — 2000-07-30
• Wings — 2000-05-28
• Wings: Lat. — 1999-04-26
• Wings — 1998-10-27
• Wings: Lat. — 1998-05-16
• Caesar's wings — 1997-12-21
• Avis pair — 1997-10-26
• Wings — 1997-07-29
• Wings — 1997-02-09
• Wings: Lat. — 1996-05-20
• Wings — 1996-03-31
• Wings — 1995-11-14
• Aves have them — 1995-06-23
• Wings — 1995-06-06
• Wings — 1994-12-25
• Side petals of a flower — 1994-08-07
• Wings — 1994-06-28
• Wings — 1994-06-11
• Wings — 1994-01-21