| Project | Visits | Observations | Individuals * |
|---|---|---|---|
| LosWrn.2007: Losse waarnemingen 2007 | 1 | 1 | 1 |
| LosWrn.2011: Losse waarnemingen 2011 | 1 | 2 | 2 |
| LosWrn.2013: Losse waarnemingen 2013 | 1 | 1 | 1 |
| LosWrn.2016: Losse waarnemingen 2016 | 1 | 1 | 1 |
| LosWrn.2017: Losse waarnemingen 2017 | 1 | 1 | 1 |
| Employee | Visits | Observations | Individuals * |
|---|---|---|---|
| Erik van Beers | 5 | 6 | 6 |
| Number of sightings | 6 |
|---|---|
| Number of visits | 6 |
| Number of individuals * | 6 |