| 2026-07-14 | Lake bird with a laughing call |
| 2026-03-18 | Minnesota's state bird |
| 2026-02-11 | State bird of Minnesota |
| 2025-07-13 | State bird of Minnesota |
| 2025-04-14 | Crackpot |
| 2024-12-24 | Bird on the Canadian dollar coin |
| 2024-12-01 | Diving bird |
| 2024-08-04 | Bird on a Canadian dollar |
| 2024-05-30 | Bird on the Canadian dollar coin |
| 2022-10-26 | Lake bird |
| 2022-08-07 | Water bird with a haunting call |
| 2022-04-29 | Diving bird |
| 2022-01-23 | Bird known in the U.K. as a diver |
| 2021-08-30 | Bird on the Canadian dollar |
| 2021-04-22 | Bird with a mournful cry |
| 2020-12-06 | Minnesota's state bird |
| 2020-04-06 | Minnesota's "crazy" state bird |
| 2019-09-01 | Avian diver |
| 2019-07-04 | State bird of Minnesota |
| 2019-05-12 | Symbol of craziness |
| 2019-01-06 | Bird with blood-red eyes |
| 2018-11-18 | Bird on Walden Pond in "Walden" |
| 2018-01-28 | Symbolic bird in "On Golden Pond" |
| 2017-11-10 | Bird called a "diver" in the U.K. |
| 2017-06-25 | Minnesota's state bird |
| 2017-05-10 | Wacko |
| 2016-12-07 | Bird on Canada's $1 coin |
| 2016-02-05 | Avian symbol of Ontario |
| 2015-08-25 | Bird with a laughlike call |
| 2015-01-06 | Nut job |
| 2014-05-18 | Bird on a Canadian dollar |
| 2014-01-15 | Wacko |
| 2012-02-22 | Crazy sort |
| 2011-08-01 | "Crazy" bird |
| 2010-06-03 | Screwball |
| 2010-03-02 | *Kook |
| 2010-01-10 | Fruitcake |
| 2009-12-29 | Nut case |
| 2009-10-07 | "Laughing" bird |
| 2008-12-31 | Addlebrain |
| 2008-10-16 | Wacko |
| 2007-12-31 | Crazy-sounding bird |
| 2007-09-01 | Crazy |
| 2007-08-29 | Canadian dollar bird |
| 2007-03-07 | Crackpot |
| 2006-08-29 | Wacko |
| 2006-06-23 | Canadian coin image |
| 2006-05-08 | Diving bird |
| 2006-01-02 | Crazy as a ___ |
| 2005-11-20 | Nut |
| 2005-09-08 | Nut |
| 2005-08-05 | Web-footed bird |
| 2005-08-02 | Large diving bird |
| 2004-12-05 | Sharp-billed diver |
| 2004-10-10 | Bird with a dagger-shaped bill |
| 2004-09-26 | Crackpot |
| 2004-08-30 | "Crazy" bird |
| 2004-01-14 | Nut job |
| 2003-12-22 | Diving bird with a weird call |
| 2003-11-16 | Minnesota's state bird |
| 2003-05-26 | Nut |
| 2002-10-30 | Wacko |
| 2001-05-23 | Nutcase |
| 2000-09-17 | Wacko |
| 1999-12-21 | Diving bird |
| 1999-12-19 | Nut |
| 1999-11-09 | Nutcase |
| 1999-05-17 | Crazy as a ___ |
| 1998-06-13 | Screwball |
| 1997-11-26 | Nutcase |
| 1997-07-02 | Symbol of craziness |
| 1997-01-13 | Diving bird |
| 1996-12-11 | Screwball |
| 1996-11-04 | "Crazy" bird |
| 1996-10-21 | Diving bird |
| 1995-04-16 | Bird on a Canadian dollar |
| 1995-03-13 | "Crazy" bird |
| 1994-12-31 | Nutcase |
| 1994-01-13 | Diving bird |
| 1994-01-06 | Crackpot |
| 1993-12-27 | Crazy bird? |