Historical clue formulations

• Ibis or egret — 2023-08-11
• One not getting in too deep — 2022-11-13
• Flamingo, e.g. — 2021-08-28
• Crane, e.g. — 2009-02-13
• Egret, e.g. — 2003-08-31
• Stork or crane — 2003-03-23
• High boot — 1999-07-14
• Heron or egret — 1997-07-30
• Ibis, e.g. — 1996-03-10
• Nonswimmer, maybe — 1995-01-16
• Nonswimmer, perhaps — 1994-11-02