Historical clue formulations

• Cricket's call — 2026-03-03
• Cricket noise — 2023-10-31
• Alternative to a tweet? — 2022-10-05
• [More worms, mama!] — 2021-10-29
• Nest noise — 2020-12-27
• Cricket's sound — 2018-09-17
• Aviary sound — 2013-12-21
• Happy sound — 2009-04-02
• Tweet — 2005-06-05
• Wake-up call? — 2004-10-08
• Happy sound — 2001-02-18
• Speak in a high voice — 1995-10-15