Black Guillemot has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Jan St.Jean | Ferry | Pelagic | Offshore | 02-Mar-2022 |
| Sue Palmer | Block Island ferry | Pelagic | Offshore | 23-Feb-2022 |
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Jan St.Jean | Ferry | Pelagic | Offshore | 02-Mar-2022 |
| Sue Palmer | Block Island ferry | Pelagic | Offshore | 23-Feb-2022 |