American Black Duck has been seen by:
| Birder | Location | Town | County | Date |
|---|---|---|---|---|
| John Bean | Jerusalem | South Kingstown | Washington | 15-Feb-2021 |
| Barbara Sherman | Perry Mill Pond | South Kingstown | Washington | 09-Jan-2021 |
| Jen Leitao | Trustom NWR | South Kingstown | Washington | 07-Jan-2021 |
| Wayne Munns | Narra Bay Winter Waterfowl Survey (Jamestown) | Jamestown | Newport | 05-Jan-2021 |
| Dan Echt | Spooky bottom dock | East Providence | Providence | 05-Jan-2021 |
| John Magill | Sucker Brook Pond | Glocester | Providence | 03-Jan-2021 |
| Carlos Pedro | Firehouse Pond | Charlestown | Washington | 02-Jan-2021 |
| Dianne Auld | Trustom | South Kingstown | Washington | 02-Jan-2021 |
| Jess Bishop | Perry Pond | Charlestown | Washington | 01-Jan-2021 |
| Dick & Marge Bradley | Echo lake | Barrington | Bristol | 01-Jan-2021 |
| Jan St.Jean | Firehouse pond | Charlestown | Washington | 01-Jan-2021 |
| David Gregg | Saugatucket Pond | South Kingstown | Washington | 01-Jan-2021 |
| Sue Palmer | Perry Pond (Firehouse) | Charlestown | Washington | 01-Jan-2021 |
| Don Heitzmann | Perry Pond (firehouse) | Charlestown | Washington | 01-Jan-2021 |
| Paul L'Etoile | Saunderstown | North Kingstown | Washington | 01-Jan-2021 |