| Project | Visits | Observations | Individuals * |
|---|---|---|---|
| LosWrn.2017.RH: Rob Hemmelder: Losse waarnemingen 2017 | 1 | 1 | 1 |
| LosWrn.2017: Losse waarnemingen 2017 | 6 | 7 | 6 |
| LosWrn.2019: Losse waarnemingen 2019 | 1 | 1 | 1 |
| Employee | Visits | Observations | Individuals * |
|---|---|---|---|
| Erik van Beers | 8 | 9 | 8 |
| Number of sightings | 9 |
|---|---|
| Number of visits | 9 |
| Number of individuals * | 8 |