| Project | Visits | Observations | Individuals * |
|---|---|---|---|
| LosWrn2001: Losse waarnemingen 2001 | 1 | 1 | 1 |
| MonitoringBSR2007: monitoring grazige vegetaties & oevers 2007 | 1 | 1 | 0 |
| Employee | Visits | Observations | Individuals * |
|---|---|---|---|
| Erik van Beers | 1 | 1 | 1 |
| Niels de Zwarte | 1 | 1 | 0 |
| Number of sightings | 2 |
|---|---|
| Number of visits | 2 |
| Number of individuals * | 1 |