Species: Eurasian Teal (Anas crecca)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 1 | 7 | 7 | 10 |
| 2023 | 1 | 4 | 4 | 4 |
| 2022 | 1 | 5 | 5 | 8 |
| 2021 | 1 | 4 | 4 | 5 |
| 2020 | 1 | 4 | 4 | 10 |
| 2019 | 1 | 6 | 6 | 10 |
| 2018 | 1 | 4 | 4 | 7 |
| 2017 | 1 | 5 | 5 | 9 |
| 2016 | 1 | 6 | 6 | 10 |
| 2015 | 1 | 2 | 2 | 4 |
| 2014 | 1 | 7 | 7 | 13 |
| 2013 | 1 | 9 | 7 | 15 |
| 2012 | 1 | 6 | 6 | 13 |
| 2011 | 1 | 4 | 4 | 4 |
| 2010 | 1 | 1 | 1 | 1 |
| 2009 | 1 | 7 | 6 | 7 |
| 2008 | 1 | 16 | 5 | 23 |
| 2007 | 1 | 18 | 6 | 27 |
| 2006 | 1 | 14 | 3 | 21 |
| 2005 | 1 | 11 | 2 | 25 |
| 2004 | 1 | 1 | 1 | 5 |
| 2003 | 1 | 3 | 4 | 20 |
| 2002 | 1 | 3 | 5 | 15 |
| 1994 | 1 | 7 | 7 | 7 |
| 1991 | 1 | 1 | 1 | 1 |
| 1990 | 1 | 1 | 1 | 1 |
| 1989 | 1 | 3 | 4 | 4 |
| Totalt alle år | 1 | 102 | 70 | 279 |