| Project | Visits | Observations | Individuals * |
|---|---|---|---|
| LosWrn.2007: Losse waarnemingen 2007 | 1 | 1 | 1 |
| LosWrn.2010: Losse waarnemingen 2010 | 1 | 1 | 0 |
| LosWrn.2012: Losse waarnemingen 2012 | 1 | 1 | 1 |
| LosWrn.2018: Losse waarnemingen 2018 | 1 | 1 | 1 |
| Employee | Visits | Observations | Individuals * |
|---|---|---|---|
| Erik van Beers | 4 | 4 | 3 |
| Number of sightings | 4 |
|---|---|
| Number of visits | 4 |
| Number of individuals * | 3 |