Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2019 | Cape May Bird Observatory - Avalon Seawatch | 3 december | Cape May Bird Observatory - Avalon Seawatch | 3 december | |||||
| 2018 | Cape May Bird Observatory - Avalon Seawatch | 11 december | Cape May Bird Observatory - Avalon Seawatch | 11 december | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch | 23 october | Cape May Bird Observatory - Avalon Seawatch | 19 december |
