Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2021 | Pointe du Cap-Ferret (33) | 14 October | Pointe du Cap-Ferret (33) | 15 November | |||||
| 2019 | Pointe du Cap-Ferret (33) | 21 October | Pointe du Cap-Ferret (33) | 13 November | |||||
| 2018 | Pointe du Cap-Ferret (33) | 14 October | Pointe du Cap-Ferret (33) | 14 October |
