| Project | Visits | Observations | Individuals * |
|---|---|---|---|
| LosWrn.2011: Losse waarnemingen 2011 | 2 | 10 | 36 |
| LosWrn.2021: Losse waarnemingen 2021 | 1 | 1 | 1 |
| Employee | Visits | Observations | Individuals * |
|---|---|---|---|
| Erik van Beers | 3 | 11 | 37 |
| Number of sightings | 11 |
|---|---|
| Number of visits | 11 |
| Number of individuals * | 37 |