Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2017 | Cape May Bird Observatory - Avalon Seawatch | 27 september | Cape May Bird Observatory - Avalon Seawatch | 12 october | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch | 22 september | Cape May Bird Observatory - Avalon Seawatch | 24 september |
