Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2018 | Cape May Bird Observatory - Avalon Seawatch | 13 october | Cape May Bird Observatory - Avalon Seawatch | 16 november | |||||
| 2017 | Cape May Bird Observatory - Avalon Seawatch | 2 october | Cape May Bird Observatory - Avalon Seawatch | 21 october | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch | 18 october | Cape May Bird Observatory - Avalon Seawatch | 25 october |
