Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2021 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 19 October | Cape May Bird Observatory - Avalon Seawatch (NJ) | 19 October | |||||
| 2019 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 17 October | Cape May Bird Observatory - Avalon Seawatch (NJ) | 17 October | |||||
| 2018 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 30 October | Cape May Bird Observatory - Avalon Seawatch (NJ) | 30 October | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 25 October | Cape May Bird Observatory - Avalon Seawatch (NJ) | 25 October |
