Harlequin Duck has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Sue Palmer | Weekapaug Breachway | Westerly | Washington | 01-Jan-2026 |
| Dick & Marge Bradley | Brenton Point | Newport | Newport | 01-Jan-2026 |
| Jessica Bishop | Beavertail | Jamestown | Newport | 01-Jan-2026 |
| Paul L'Etoile | Beavertail | Jamestown | Newport | 01-Jan-2026 |