Black-headed Gull has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| Carlos Pedro | Watchemocket Cove | East Providence | Providence | 18-Feb-2017 |
| Wayne Munns | Watchemoket Cove | East Providence | Providence | 18-Feb-2017 |
| Barbara Sherman | Narrow River Estuary Flat | Narragansett | Washington | 28-Jan-2017 |
| DAVID WALLIS | Scarborough Beach | Narragansett | Washington | 27-Jan-2017 |
| Cathy Gim | Watchemoket Cove | East Providence | Providence | 26-Jan-2017 |
| Matt Schenck | Scarborough State Beach | Narragansett | Washington | 18-Jan-2017 |
| Dick & Marge Bradley | Watchemocket cove | East Providence | Providence | 11-Jan-2017 |
| Don Heitzmann | Watchemoket Cove | East Providence | Providence | 10-Jan-2017 |
| Jan St.Jean | Watchemoket Cove | East Providence | Providence | 10-Jan-2017 |