AUKS
| Date | Clue |
|---|---|
| 2024-12-21 | Black-and-white divers |
| 2023-05-14 | Puffins, e.g. |
| 2022-12-03 | Great ones are extinct |
| 2019-01-02 | Relatives of puffins |
| 2017-01-08 | Arctic fliers |
| 2016-10-29 | Dovekies, e.g. |
| 2014-05-18 | "Great" birds |
| 2012-08-01 | Arctic seabirds |
| 2011-10-25 | Razor-billed birds |
| 2011-06-05 | Diving seabirds |
| 2005-05-22 | "Great" birds |
| 2004-02-15 | Razor-billed birds |
| 2003-04-13 | Diving birds |
| 1995-11-22 | Web-footed birds |