Stercorarius parasiticus (Arctic Skua)
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2020 | 1 | 1 | 1 | 1 |
| 2017 | 1 | 1 | 1 | 1 |
| 2015 | 1 | 1 | 1 | 1 |
| 2014 | 1 | 1 | 1 | 1 |
| 2013 | 1 | 1 | 1 | 1 |
| 2012 | 1 | 1 | 1 | 1 |
| 2011 | 1 | 1 | 1 | 1 |
| 2010 | 1 | 2 | 2 | 2 |
| 2009 | 1 | 1 | 1 | 2 |
| 2008 | 1 | 5 | 5 | 5 |
| 2007 | 1 | 4 | 4 | 4 |
| 2006 | 1 | 1 | 1 | 3 |
| 2005 | 1 | 1 | 1 | 3 |
| 1989 | 1 | 1 | 1 | 1 |
| Totalt alle år | 1 | 15 | 14 | 27 |