| Project | Visits | Observations | Individuals * |
|---|---|---|---|
| Te Velde 44: 1-41: Nachtvlinderwaarnemingen in en om Amersfoort (door Vincent van Laar & Tineke van Schijndel) | 36 | 36 | 37 |
| Employee | Visits | Observations | Individuals * |
|---|---|---|---|
| Erik van Beers | 36 | 36 | 37 |
| Number of sightings | 36 |
|---|---|
| Number of visits | 36 |
| Number of individuals * | 37 |