Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2022 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 25 September | Cape May Bird Observatory - Avalon Seawatch (NJ) | 7 October | |||||
| 2021 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 7 November | Cape May Bird Observatory - Avalon Seawatch (NJ) | 7 November | |||||
| 2020 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 31 October | Cape May Bird Observatory - Avalon Seawatch (NJ) | 7 November | |||||
| 2018 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 24 October | Cape May Bird Observatory - Avalon Seawatch (NJ) | 24 October |
