Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2018 | Cape May Bird Observatory - Avalon Seawatch | 9 october | Cape May Bird Observatory - Avalon Seawatch | 22 december | |||||
| 2017 | Cape May Bird Observatory - Avalon Seawatch | 28 october | Cape May Bird Observatory - Avalon Seawatch | 22 december | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch | 21 october | Cape May Bird Observatory - Avalon Seawatch | 22 december |
