AUK
| Date | Clue |
|---|---|
| 2024-11-10 | Avian rhyme of "hawk" |
| 2024-07-17 | "Razor-billed" bird |
| 2023-06-19 | Penguin lookalike |
| 2022-11-11 | Puffin, for one |
| 2021-01-04 | Arctic diving bird |
| 2020-08-27 | Cousin of a puffin |
| 2019-10-01 | Seabird of colder climes |
| 2018-03-05 | Diving bird of the Arctic |
| 2017-09-11 | Arctic bird |
| 2015-02-08 | Arctic flier |
| 2012-07-19 | Arctic diver |
| 2009-01-04 | Arctic diver |
| 2008-07-14 | Diving seabird |
| 2008-03-11 | Diving bird |
| 2008-02-03 | Arctic diver |
| 2007-01-15 | Arctic bird |
| 2006-01-01 | Diving bird |
| 2005-11-01 | Diving bird |
| 2005-04-22 | Puffin's cousin |
| 2004-12-15 | Diving bird |
| 2004-05-18 | Arctic bird |
| 2003-12-25 | Razor-billed ___ |
| 2003-08-24 | North Sea diver |
| 2002-05-26 | Diving bird |
| 2002-05-22 | Diving bird |
| 2002-05-14 | Diving bird |
| 2001-06-26 | Cousin of a puffin |
| 2000-10-10 | Bering Sea bird |
| 2000-07-03 | Diving seabird |
| 1998-06-28 | Razor-billed bird |
| 1997-09-28 | Razor-billed bird |
| 1997-09-27 | Relative of the guillemot |
| 1997-07-28 | Northern diving bird |
| 1996-12-15 | The dovekie is one |
| 1995-09-01 | Razor-billed bird |
| 1994-12-01 | Northern seabird |
| 1994-08-25 | Razor-billed bird |
| 1994-02-08 | Razor-billed bird |