Record counts
| # | Migration site | Totals | Date | ||
|---|---|---|---|---|---|
| 1. | Cap Gris-Nez | 1 | 11 November 2007 | ||
| 2. | Cap Gris-Nez | 1 | 27 April 2011 | ||
| 3. | Cap Gris-Nez | 1 | 22 April 2012 | ||
| 4. | Cap Gris-Nez | 1 | 5 May 2013 | ||
| 5. | Cap Gris-Nez | 1 | 17 May 2014 | ||
| 6. | Cap Gris-Nez | 1 | 21 April 2015 | ||
| 7. | Cap Gris-Nez | 1 | 21 April 2017 | ||
| 8. | Cap Gris-Nez | 1 | 20 May 2019 | ||
| 9. | Cap Gris-Nez | 1 | 17 April 2021 | ||
| 10. | Cap Gris-Nez | 1 | 27 April 2021 | ||
| 11. | Cap Gris-Nez | 1 | 20 April 2023 | ||
