| MARC number | Decision | Species | # | Location | County | Arrival | Departure | Observers | Report |
|---|
| 2002-032 | A | Shiny Cowbird | 1 | Herring Creek Farm, Edgartown | Dukes | 10/14/2002 | 10/14/2002 | E. Vernon Laux*† | 19 |
| 2017-091 | NA | Shiny Cowbird | 2 | Hardscrabble Rd., Sterling | Worcester | 1/22/2018 | 1/22/2018 | Lennie Paquette* (ph) | 22 |
