| Location | Date | Observer | # |
|---|---|---|---|
| L8870011 | 2019-10-13 10:15 | Tom Andersen | 2 |
| Mariandale Retreat and Conference Center | 2019-10-08 07:55 | Suzanne Kavic | 16 |
| Croton Point Park | 2017-10-15 16:00 | Anne Swaim | 50 |
| Croton Point Park | 2017-10-11 07:30 | Anne Swaim | 58 |
| Edith G. Read Wildlife Sanctuary | 2017-10-08 17:30 | Barbara Nicol | 3 |
| Edith G. Read Wildlife Sanctuary | 2017-10-08 10:35 | Gail Benson | 3 |
| Mariandale Retreat and Conference Center | 2016-10-15 13:00 | The Salmons | 30 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2016-10-15 11:45 | Michael Adams | 3 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2016-10-15 07:36 | Jesse Sargent | 5 |
| Tarrytown Lakes Park | 2016-10-14 12:10 | Carole Griffiths | 5 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2016-10-13 12:27 | Jesse Sargent | 3 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2016-10-13 12:27 | Michael Adams | 3 |
| Mariandale Retreat and Conference Center | 2016-10-12 10:50 | Barbara Strobino | 76 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2016-10-11 11:40 | Jesse Sargent | 1 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2016-10-11 11:40 | Zach Batren | 1 |
| Mariandale Retreat and Conference Center | 2016-10-10 10:40 | Larry Trachtenberg | 32 |
| Hillview Reservoir (restricted access) | 2016-10-09 07:00 | Jesse Sargent | 2 |
| Hillview Reservoir (restricted access) | 2016-10-08 06:20 | Michael Adams | 2 |
| Hillview Reservoir (restricted access) | 2015-10-15 07:00 | Jesse Sargent | 1 |
| L2517728 | 2015-10-12 10:35 | Julie Aitchison | 1 |
| L2517728 | 2015-10-10 12:25 | Julie Aitchison | 3 |
| L2517728 | 2015-10-06 10:30 | Julie Aitchison | 1 |
| L945548 | 2014-10-13 10:00 | Sandy Morrissey | 1 |
| Tarrytown Lakes Park | 2014-10-13 09:00 | Evan Edelbaum | 8 |
| Rockefeller SP Preserve | 2014-10-13 08:15 | Anne Swaim | 1 |
| Rockefeller SP Preserve | 2014-10-13 08:15 | James R. Gmelin | 1 |
| Rockefeller SP Preserve | 2014-10-13 08:15 | Sarah Hansen | 1 |
| Rockefeller SP Preserve | 2014-10-13 08:15 | William Liljeroos | 1 |
| L1072831 | 2014-10-12 16:00 | George Kappus | 1 |
| L1072831 | 2014-10-11 17:40 | George Kappus | 3 |
| L1072831 | 2014-10-11 10:35 | George Kappus | 3 |
| L1768711 | 2013-10-11 12:30 | Chris Cording | 5 |
| Tarrytown Lakes Park | 2013-10-11 09:00 | Evan Edelbaum | 7 |
| Tarrytown Lakes Park | 2012-10-13 15:00 | Carole Griffiths | 12 |
| Rockefeller SP Preserve | 2012-10-13 08:45 | Evan Edelbaum | 10 |
| Larchmont Reservoir (Sheldrake Lake) | 2012-10-13 08:00 | Scott Mellis | 1 |
| Rockefeller SP Preserve--Swan Lake area | 2012-10-11 14:10 | Richard Nelson | 6 |
| Tarrytown Lakes Park | 2012-10-10 14:00 | Carole Griffiths | 16 |
| L1768711 | 2012-10-10 12:20 | Chris Cording | 8 |
| L1768711 | 2012-10-09 12:30 | Chris Cording | 30 |
| Tarrytown Lakes Park | 2012-10-05 08:30 | Evan Edelbaum | 15 |
| Rockefeller SP Preserve | 2011-10-14 08:30 | Evan Edelbaum | 1 |
| Tarrytown Lakes Park | 2010-10-15 08:45 | Evan Edelbaum | 8 |
| Rockefeller SP Preserve | 2010-10-13 15:15 | Evan Edelbaum | 1 |
| Rockefeller SP Preserve | 2010-10-11 08:30 | Evan Edelbaum | 1 |