Black Guillemot has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Dick & Marge Bradley | Beavertail | Jamestown | Newport | 25-Feb-2016 |
| Cathy Gim | Block Island Ferry | New Shoreham | Washington | 18-Feb-2016 |
| Jan St.Jean | Block Island ferry | New Shoreham | Washington | 18-Feb-2016 |
| Matt Schenck | Block Island Ferry | Narragansett | Washington | 18-Feb-2016 |