American Black Duck has been seen by:
| Birder | Location | Town | Date |
|---|---|---|---|
| Tom Magarian | Block Island | 21-Mar-2009 | |
| Lewis Symynkywicz | 06-Mar-2009 | ||
| Andy Boyce | 22-Jan-2009 | ||
| Will Yandik | Apponaug | Warwick | 21-Jan-2009 |
| Greg Sargeant | Watchemocket Cove | East Providence | 09-Jan-2009 |
| Gordon Fitch | Beavertail S.P. | Jamestown | 04-Jan-2009 |
| Bruce Larson | Sachuest Point NWR | Middletown | 04-Jan-2009 |
| Jan St.Jean | Tiverton | Tiverton CBC/Seapowet | 03-Jan-2009 |
| Richard Couse | Tiverton | 03-Jan-2009 | |
| Noah Conway | Point Judith | Narragansett | 02-Jan-2009 |
| Michelle St.Sauveur | Card's Pond | South Kingstown | 02-Jan-2009 |
| Paul L'Etoile | Avondale Rd | Westerly | 01-Jan-2009 |
| Carlos Pedro | wash. county | 01-Jan-2009 | |
| Phil Budlong | Colonel Willie Cove, Avondale | Westerly | 01-Jan-2009 |
| Ryan Miller | Apponaug Cove | Warwick | 01-Jan-2009 |
| Jun Zhuang | Seekonk Riverbank ( Washington Bridge-Henderson Expy) | Providence | 01-Jan-2009 |