Historical clue formulations

• Babies that are supposed to be up all night? — 2026-06-02
• Baby nocturnal birds — 2016-08-01
• Barn young — 2005-09-03
• Wide-eyed young 'uns — 2004-11-28
• Small hooters — 2004-05-26
• Little hooters with big peepers — 2004-04-11
• Barn fledglings — 2002-03-14
• Ones involved in barn raisings? — 2001-03-31
• Wise kids? — 1999-09-15
• They hardly give a hoot — 1994-09-25