Family: Crows and Jays (Corvidae)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|
| 2024 | 9 | 8254 | 8073 | 14635 |
| 2023 | 9 | 8735 | 8539 | 15297 |
| 2022 | 9 | 10957 | 10613 | 19028 |
| 2021 | 9 | 10538 | 10213 | 18486 |
| 2020 | 10 | 7288 | 7003 | 12564 |
| 2019 | 9 | 8849 | 8537 | 15834 |
| 2018 | 9 | 7252 | 6965 | 14072 |
| 2017 | 9 | 5761 | 5576 | 11212 |
| 2016 | 9 | 5708 | 5476 | 11406 |
| 2015 | 9 | 5473 | 5242 | 10571 |
| 2014 | 9 | 4397 | 4248 | 9052 |
| 2013 | 9 | 5453 | 5230 | 11350 |
| 2012 | 9 | 3921 | 3771 | 8595 |
| 2011 | 9 | 4156 | 3972 | 8582 |
| 2010 | 10 | 3667 | 3358 | 7777 |
| 2009 | 8 | 1044 | 990 | 2457 |
| 2008 | 9 | 575 | 530 | 1892 |
| 2007 | 6 | 48 | 46 | 635 |
| 2006 | 5 | 41 | 32 | 351 |
| 2005 | 7 | 34 | 26 | 299 |
| 2004 | 5 | 38 | 28 | 252 |
| 2003 | 5 | 15 | 12 | 85 |
| 2002 | 5 | 6 | 6 | 15 |
| 2001 | 3 | 6 | 6 | 13 |
| 2000 | 2 | 3 | 3 | 3 |
| 1999 | 3 | 4 | 4 | 5 |
| 1998 | 1 | 1 | 1 | 1 |
| 1997 | 1 | 1 | 1 | 1 |
| 1996 | 3 | 3 | 3 | 6 |
| 1995 | 2 | 2 | 2 | 7 |
| 1994 | 6 | 23 | 23 | 39 |
| 1993 | 4 | 5 | 5 | 10 |
| 1992 | 2 | 4 | 4 | 8 |
| 1991 | 3 | 3 | 3 | 4 |
| 1990 | 2 | 2 | 2 | 2 |
| 1989 | 4 | 8 | 8 | 12 |
| Totalt alle år | 10 | 39293 | 34506 | 194558 |