Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2018 | Cape May Bird Observatory - Avalon Seawatch | 30 september | Cape May Bird Observatory - Avalon Seawatch | 30 october | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch | 31 october | Cape May Bird Observatory - Avalon Seawatch | 31 october |
