Northern Harrier has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| James Restivo | Trustom Pond | South Kingstown | Washington | 23-Mar-2019 |
| Barbara Sherman | Trustom Pond NWR | South Kingstown | Washington | 18-Jan-2019 |
| Wayne Munns | Trustom NWR | South Kingstown | Washington | 18-Jan-2019 |
| Dick & Marge Bradley | Third beach | Middletown | Newport | 15-Jan-2019 |
| Sue Palmer | Escape Rd | Narragansett | Washington | 15-Jan-2019 |
| Dianne Auld | Trustom | South Kingstown | Washington | 06-Jan-2019 |
| Kari McDonald | Seapowet marsh | Tiverton | Newport | 06-Jan-2019 |
| Alex Patterson | Scituate CBC - various locations | Scituate | Providence | 05-Jan-2019 |
| Dominick Pacelli | Matunack Schoolhouse Rd. | South Kingstown | Washington | 04-Jan-2019 |
| Paul L'Etoile | Galilee | Narragansett | Washington | 04-Jan-2019 |
| Carlos Pedro | Ninigret | Charlestown | Washington | 03-Jan-2019 |
| Don Heitzmann | Quonochontaug | Charlestown | Washington | 03-Jan-2019 |
| John Magill | Trustom Pond | South Kingstown | Washington | 02-Jan-2019 |
| Jan St.Jean | Trustom area | South Kingstown | Washington | 02-Jan-2019 |
| Matt Schenck | Sachuest Saltmarsh | Middletown | Newport | 01-Jan-2019 |