Historical clue formulations

• Unlikely fliers, in a saying — 2025-06-01
• Gluttons — 2021-07-02
• Muppet trio the Oinker Sisters, e.g. — 2019-11-14
• In a ___ eye — 2019-08-20
• "Little" trio in kiddie lit — 2017-12-21
• Fare in "blankets" — 2014-02-26
• Pen pals? — 2012-05-12
• They want the most — 2012-01-19
• Litter producers, in two different senses — 2011-07-16
• Napoleon and Snowball, in "Animal Farm" — 2011-07-13
• Gluttons — 2006-11-07
• Not the daintiest of eaters — 2006-08-16
• Livestock — 2002-09-26
• Grunters — 2001-09-05
• Hardly neatniks — 2000-09-25
• Gluttons — 2000-06-30
• Pen pals? — 1999-11-12
• Sty inhabitants — 1996-09-09
• Sty residents — 1996-04-22
• Not the sort to share — 1995-09-16