Common Loon has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Dominick Pacelli | Block Island Ferry | Pelagic | Offshore | 02-Jan-2020 |
| John Magill | Quonochontaug | Charlestown | Washington | 02-Jan-2020 |
| Alex Patterson | Quonny Pond | Charlestown | Washington | 01-Jan-2020 |
| Dick & Marge Bradley | Beavertail | Jamestown | Newport | 01-Jan-2020 |
| Carlos Pedro | Npatree | Westerly | Washington | 01-Jan-2020 |
| Dianne Auld | Sachuest | Middletown | Newport | 01-Jan-2020 |
| Sue Palmer | Napatree Point | Westerly | Washington | 01-Jan-2020 |
| Jan St.Jean | Napatree | Westerly | Washington | 01-Jan-2020 |
| Wayne Munns | Napatree | Westerly | Washington | 01-Jan-2020 |
| Don Heitzmann | Quonochontaug | Charlestown | Washington | 01-Jan-2020 |
| Barbara Sherman | Weekapaug Breachway Pondss | Westerly | Washington | 01-Jan-2020 |
| Greg Nemes | Galilee Harbor | Narragansett | Washington | 01-Jan-2020 |
| Paul L'Etoile | Beavertail | Jamestown | Newport | 01-Jan-2020 |
| Jess Bishop | Napatree | Westerly | Washington | 01-Jan-2020 |
| Matt Schenck | Watch Hill Lighthouse | Westerly | Washington | 01-Jan-2020 |