ERNS
| Date | Clue |
|---|---|
| 2025-09-07 | Fish-eating raptors |
| 2024-03-17 | Sea eagles |
| 2023-11-12 | Flying fish-eaters |
| 2022-04-14 | Sea eagles |
| 2016-12-13 | Shore birds |
| 2015-04-13 | Sea eagles |
| 2015-01-10 | Shoreline avifauna |
| 2014-02-22 | Coastal fish consumers |
| 2013-03-09 | Cousins of kites |
| 2012-11-20 | Flying fish-eaters |
| 2012-04-09 | Sea eagles |
| 2012-03-17 | Birds of prey |
| 2011-09-22 | Sea eagles |
| 2011-07-09 | Kite kin |
| 2010-10-09 | Kite relatives |
| 2009-07-19 | Relatives of kites |
| 2009-06-01 | Sea eagles |
| 2009-01-16 | Birds with "meat cleaver" bills |
| 2008-10-05 | Shore birds |
| 2008-05-09 | Flying piscivores |
| 2008-04-08 | Coastal raptors |
| 2007-09-01 | Coastal avifauna |
| 2007-08-25 | Shore scavengers |
| 2007-03-11 | Marine birds |
| 2006-03-12 | Graceful fliers |
| 2006-01-04 | Diving raptors |
| 2005-09-18 | Coastal raptors |
| 2005-05-04 | Coastal raptors |
| 2004-03-30 | Seaside soarers |
| 2004-02-09 | Sea eagles |
| 2003-10-11 | Shore soarers |
| 2003-07-29 | Shore birds |
| 2002-08-25 | Flying fish eaters |
| 2001-07-12 | Coastal raptors |
| 2001-03-03 | Shore scavengers |
| 2000-08-20 | Sea eagles |
| 2000-07-31 | Sea eagles |
| 2000-07-21 | Marine birds |
| 2000-05-08 | Sea eagles |
| 2000-02-16 | Coastal raptors |
| 1999-06-06 | Fliers with wedge-shaped tails |
| 1999-01-22 | White-tailed birds |
| 1999-01-09 | Coastal raptors |
| 1998-02-18 | Fish-eating birds |
| 1997-11-02 | Some eagles |
| 1997-01-05 | Seabirds |
| 1996-08-08 | Atlantic fliers |
| 1996-06-27 | Sea divers |
| 1995-08-07 | Sea eagles |
| 1995-06-04 | Littoral fliers |
| 1995-02-15 | Sea birds |
| 1994-02-20 | Eagles |
| 1993-12-29 | Some eagles |