Historical clue formulations

• Animals in hibernación — 2022-04-10
• Baja bears — 2017-06-03
• Spanish bears — 2013-08-19
• Bolivian bears — 2013-03-03
• Bears, in Bolivia — 2012-05-09
• Bogotá bears — 2011-11-23
• Spanish bears — 2011-03-23
• Some growlers, in Granada — 2011-02-12
• Bears, in Baja — 2010-06-02
• Bogotá bears — 2009-07-09
• Zoo de Madrid beasts — 2008-01-25
• Zoo de Madrid animals — 2002-10-13
• Spanish bears — 2000-09-17
• Chicano bears? — 1999-06-23
• Bears, in Barcelona — 1996-09-06
• Granada grizzlies — 1995-08-18