Record counts
| # | Migration site | Totals | Date | ||
|---|---|---|---|---|---|
| 1. |  |
VRS Castricum | 7 | 1 March 2018 | |
| 2. | |
VRS Castricum | 3 | 27 February 2018 | |
| 3. | |
VRS Castricum | 2 | 24 March 2018 | |
| 4. | |
VRS Castricum | 1 | 9 November 2016 | |
| 5. | |
VRS Castricum | 1 | 3 March 2018 | |
| 6. | |
VRS Castricum | 1 | 4 March 2018 | |
| 7. | |
VRS Castricum | 1 | 15 November 2018 | |
| 8. | |
VRS Castricum | 1 | 17 February 2019 | |
| 9. | |
VRS Castricum | 1 | 18 February 2019 | |
| 10. | |
VRS Castricum | 1 | 30 March 2019 | |
