Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2019 | Cape May Bird Observatory - Avalon Seawatch | 1 october | Cape May Bird Observatory - Avalon Seawatch | 11 november | |||||
| 2017 | Cape May Bird Observatory - Avalon Seawatch | 1 october | Cape May Bird Observatory - Avalon Seawatch | 1 october | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch | 1 october | Cape May Bird Observatory - Avalon Seawatch | 15 october |
