Phenology
| Year | Migration site | First | Migration site | Last | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2018 | Cape May Bird Observatory - Avalon Seawatch | 29 september | Cape May Bird Observatory - Avalon Seawatch | 17 december | |||||
| 2017 | Cape May Bird Observatory - Avalon Seawatch | 18 october | Cape May Bird Observatory - Avalon Seawatch | 21 december | |||||
| 2016 | Cape May Bird Observatory - Avalon Seawatch | 6 october | Cape May Bird Observatory - Avalon Seawatch | 22 december |
