Family: Svalefamilien (Hirundinidae)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2024 | 3 | 23 | 22 | 33 |
| 2023 | 3 | 29 | 27 | 44 |
| 2022 | 3 | 35 | 33 | 53 |
| 2021 | 3 | 42 | 36 | 60 |
| 2020 | 3 | 30 | 29 | 43 |
| 2019 | 3 | 51 | 49 | 70 |
| 2018 | 3 | 41 | 38 | 87 |
| 2017 | 3 | 124 | 37 | 179 |
| 2016 | 2 | 38 | 36 | 73 |
| 2015 | 4 | 40 | 37 | 66 |
| 2014 | 3 | 36 | 34 | 100 |
| 2013 | 3 | 66 | 61 | 121 |
| 2012 | 3 | 49 | 48 | 64 |
| 2011 | 3 | 50 | 50 | 79 |
| 2010 | 3 | 42 | 42 | 50 |
| 2009 | 2 | 32 | 32 | 38 |
| 2008 | 4 | 62 | 42 | 80 |
| 2007 | 4 | 54 | 38 | 70 |
| 2006 | 4 | 26 | 5 | 36 |
| 2005 | 3 | 29 | 6 | 72 |
| 2004 | 4 | 12 | 12 | 16 |
| 2003 | 4 | 8 | 9 | 24 |
| 2002 | 1 | 2 | 2 | 2 |
| 1999 | 2 | 1 | 1 | 4 |
| 1994 | 4 | 6 | 6 | 9 |
| 1993 | 1 | 1 | 1 | 1 |
| 1992 | 3 | 3 | 3 | 4 |
| 1991 | 1 | 3 | 3 | 4 |
| 1990 | 2 | 3 | 3 | 3 |
| 1989 | 1 | 1 | 1 | 1 |
| Totalt alle år | 4 | 520 | 327 | 1486 |