Black-legged Kittiwake has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Wayne Munns | Cod boat | Pelagic | Offshore | 27-Dec-2019 |
| Paul L'Etoile | Cod boat | Pelagic | Offshore | 27-Dec-2019 |
| Dominick Pacelli | Francis Fleet Cod Boat | Pelagic | Offshore | 14-Mar-2019 |
| Carlos Pedro | Cod Boat SE of Block | Pelagic | Offshore | 14-Mar-2019 |
| Don Heitzmann | Block Island Ferry | Pelagic | Offshore | 16-Feb-2019 |
| Jan St.Jean | Block island ferry | Pelagic | Offshore | 16-Feb-2019 |