Great Shearwater has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Dick & Marge Bradley | Camp Cronin | Narragansett | Washington | 30-Sep-2020 |
| Greg Nemes | Block Island Ferry | Pelagic | Offshore | 21-Aug-2020 |
| Jan St.Jean | Southeast of BI | Pelagic | Offshore | 03-Jul-2020 |
| Dominick Pacelli | Whale Watch | Pelagic | Offshore | 02-Jul-2020 |
| Carlos Pedro | Whale Watch(SE of Block Isl.) | Pelagic | Offshore | 02-Jul-2020 |
| Jess Bishop | Frances Fleet - Pelagic | Pelagic | Offshore | 02-Jul-2020 |
| Alex Patterson | Frances Fleet | Pelagic | Offshore | 02-Jul-2020 |
| John Magill | Frances Fleet Whale Watch | Pelagic | Offshore | 02-Jul-2020 |
| Sue Palmer | Pelagic | Pelagic | Offshore | 02-Jul-2020 |
| Don Heitzmann | Pelagic | New Shoreham | Washington | 02-Jul-2020 |