| Project | Visits | Observations | Individuals * |
|---|---|---|---|
| LosWrn.2009: Losse waarnemingen 2009 | 1 | 1 | 0 |
| LosWrn.2020: Losse waarnemingen 2020 | 5 | 7 | 5 |
| LosWrn.2023: Losse waarnemingen 2023 | 1 | 1 | 2 |
| LosWrn.2025: Losse waarnemingen 2025 | 1 | 1 | 1 |
| Employee | Visits | Observations | Individuals * |
|---|---|---|---|
| Erik van Beers | 8 | 10 | 8 |
| Number of sightings | 10 |
|---|---|
| Number of visits | 10 |
| Number of individuals * | 8 |