Species: Willow Warbler (Phylloscopus trochilus)
Year | Arter/grupper | Localities | Participants | Observations |
2024 | 1 | 11 | 10 | 16 |
2023 | 1 | 21 | 19 | 27 |
2022 | 1 | 20 | 20 | 24 |
2021 | 1 | 16 | 16 | 22 |
2020 | 1 | 21 | 21 | 31 |
2019 | 1 | 24 | 23 | 38 |
2018 | 1 | 28 | 28 | 33 |
2017 | 1 | 24 | 24 | 33 |
2016 | 1 | 24 | 24 | 34 |
2015 | 1 | 25 | 23 | 30 |
2014 | 1 | 20 | 20 | 45 |
2013 | 1 | 48 | 43 | 68 |
2012 | 1 | 33 | 32 | 41 |
2011 | 1 | 32 | 31 | 51 |
2010 | 1 | 29 | 29 | 39 |
2009 | 1 | 27 | 26 | 31 |
2008 | 1 | 44 | 31 | 52 |
2007 | 1 | 39 | 27 | 44 |
2006 | 1 | 29 | 12 | 32 |
2005 | 1 | 32 | 14 | 46 |
2004 | 1 | 12 | 11 | 12 |
2003 | 1 | 10 | 9 | 11 |
2002 | 1 | 3 | 3 | 3 |
2001 | 1 | 2 | 2 | 2 |
2000 | 1 | 1 | 1 | 1 |
1999 | 1 | 1 | 1 | 1 |
1998 | 1 | 1 | 1 | 1 |
1997 | 1 | 1 | 1 | 1 |
1995 | 1 | 1 | 1 | 1 |
1994 | 1 | 5 | 5 | 5 |
1993 | 1 | 1 | 1 | 1 |
1992 | 1 | 2 | 2 | 2 |
1991 | 1 | 1 | 1 | 1 |
1989 | 1 | 1 | 1 | 1 |
Totalt alle år | 1 | 289 | 202 | 780 |