Checklists submitted within the last hour are not shown.
| Observer | Date | Time | Location | Species |
|---|---|---|---|---|
| Michael J Good | 16 Oct 2022 | 09:52 | Round Island. Maine, US (44.184, -68.449), Hancock | 17 |
| Michael J Good | 29 May 2022 | 17:08 | Round Island. Maine, US (44.184, -68.449), Hancock | 7 |
| Michael J Good | 29 May 2022 | 15:24 | Round Island,, Maine, US (44.184, -68.449), Hancock | 10 |
| Glen Mittelhauser | 2 Jul 2019 | 07:56 | Swans Island CW, Black Island, Hancock | 8 |
| Glen Mittelhauser | 2 Jul 2019 | 06:45 | Swans Island CW, Orono and Asa island area, Hancock | 21 |
| Anonymous eBirder | 24 Jun 2019 | 13:41 | Swans Island CW, Opechee West Ledge, Hancock | 1 |
| Anonymous eBirder | 24 Jun 2019 | 12:00 | Swans Island CW, The Triangles, Hancock | 2 |
| Anonymous eBirder | 24 Jun 2019 | 11:55 | Swans Island CW, Crow Island, Hancock | 5 |
| Anonymous eBirder | 30 May 2019 | 09:00 | Swans Island CW, Crow Island, Hancock | 3 |
| Anonymous eBirder | 30 May 2019 | Swans Island CW, Crow Island, Hancock | 4 | |
| Hannes Leonard | 13 Aug 2018 | Sheep Island Anchorage, Hancock | 7 | |
| Hannes Leonard | 12 Aug 2018 | 17:05 | Sheep Island Anchorage, Hancock | 6 |
| Hannes Leonard | 7 Aug 2018 | 15:05 | Swans Island Anchor, Hancock | 8 |
| MD IFW | 10 Apr 2018 | 13:53 | 429E | Blue Hill Bay | Casco Passage, Garden Island -- Swans Island, Hancock | 1 |
| MD IFW | 10 Apr 2018 | 13:50 | 307D | Blue Hill Bay | Mackerel Cove, Roderick Head shoreline -- Swans Island, Hancock | 1 |
| Charlie Todd | 10 Apr 2018 | 13:50 | 307D | Blue Hill Bay | Mackerel Cove, Roderick Head shoreline -- Swans Island, Hancock | 1 |
| MD IFW | 10 Apr 2018 | 12:12 | 150B | Jericho Bay, Casco Passage, Johns Island -- Swans Island, Hancock | 1 |
| Charlie Todd | 10 Apr 2018 | 12:12 | 150B | Jericho Bay, Casco Passage, Johns Island -- Swans Island, Hancock | 1 |
| MD IFW | 29 Mar 2018 | 508B | Jericho Bay | Seal Cove, Hen Island -- Swans Island, Hancock | 1 | |
| MD IFW | 29 Mar 2018 | 150D | Jericho Bay, Casco Passage, Johns Island -- Swans Island, Hancock | 1 | |
| Charlie Todd | 29 Mar 2018 | 508B | Jericho Bay | Seal Cove, Hen Island -- Swans Island, Hancock | 1 | |
| Charlie Todd | 29 Mar 2018 | 150D | Jericho Bay, Casco Passage, Johns Island -- Swans Island, Hancock | 1 |