Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2017 | Cape May Bird Observatory - Avalon Seawatch | 26 september | Cape May Bird Observatory - Avalon Seawatch | 20 october | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch | 22 september | Cape May Bird Observatory - Avalon Seawatch | 22 september |
