Accepted:

 9 May 1994   Isle au Haut, Knox Co.     1994-003 D. Schrader, D. Hiltz, Jr. Details  MBN 7(2):32-33; FN 48(3):277

17 Apr 2017   Hog Island, Lincoln Co.     2017-007 found by Osprey cam operators, video; photos in eBird)

Unaccepted:

13 Aug 2023   Scarborough, Cumberland Co.   2023-035  

Not yet reviewed (pending historical records and unsubmitted reports):