Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 3 November | Cape May Bird Observatory - Avalon Seawatch (NJ) | 3 November | |||||
| 2018 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 1 October | Cape May Bird Observatory - Avalon Seawatch (NJ) | 19 November | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch (NJ) | 25 October | Cape May Bird Observatory - Avalon Seawatch (NJ) | 25 October |
