Historical clue formulations

• Bird that sings at dawn — 2026-03-17
• "Holy oleo!" speaker — 2025-01-04
• Restaurant chain with an avian mascot — 2024-07-28
• "Boy Wonder" of comics — 2024-01-14
• Batman's sidekick — 2023-11-21
• Bird symbolizing the arrival of spring — 2023-03-20
• Quivers on the radio — 2023-02-25
• Bat boy? — 2022-08-11
• Newswoman Roberts — 2021-09-25
• Sign of spring — 2020-01-25
• Secret identity of Dick Grayson — 2016-02-11
• Sidekick of 1960s TV — 2015-10-03
• Half of the Dynamic Duo — 2015-07-08
• With 46-Down, cohort of Little John — 2012-08-08
• Batpole user — 2010-10-13
• Harbinger of spring — 2009-07-13
• Batcave figure — 2009-07-08
• Bird that comes "bob, bob, bobbin'" — 2008-02-25
• Early bird — 2006-04-02
• Maid Marian's man — 2005-09-14
• Radio personality ___ Quivers — 2004-01-13
• Batman's sidekick — 2002-05-06
• "For bonny sweet ___ is all my joy": Ophelia — 2000-10-08
• Repeated Chris O'Donnell movie role — 1997-08-04
• Batman's sidekick — 1997-03-31
• Falstaff's page in "The Merry Wives of Windsor" — 1996-03-10
• Harbinger of spring — 1995-11-14
• Bruce Wayne's ward — 1995-11-13
• Batman's partner — 1994-10-24