| Location | Date | Observer | # |
|---|---|---|---|
| The Landing, Dobbs Ferry | 2020-10-08 16:46 | Julien Amsellem | 30 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2020-10-08 10:17 | Kevin Schluter | 13 |
| Croton Point Park | 2020-10-08 08:17 | Anne Swaim | 4 |
| Croton Point Park | 2020-10-08 08:17 | Ginger Bernardin | 4 |
| Croton Point Park | 2020-10-08 08:17 | The Salmons | 4 |
| Croton Point Park | 2020-10-08 08:17 | Louisa Gagliardi | 4 |
| Croton Point Park--Croton RR Station | 2020-10-08 08:00 | Anne Swaim | 17 |
| MacEchron Waterfront Park, Hastings on Hudson | 2020-10-07 19:54 | Julien Amsellem | 250 |
| Georges Island Park | 2020-10-07 08:30 | Barbara Strobino | 1 |
| Hillview Reservoir (restricted access) | 2020-10-07 08:19 | Sean Camillieri | 6 |
| Croton Point Park | 2020-10-07 08:03 | LouAnn O'Hora | 2 |
| Marshlands Conservancy | 2020-10-07 08:00 | Paul Clarke | 4 |
| L11937163 | 2020-10-07 06:44 | LouAnn O'Hora | 2 |
| Hillside Woods & Children's Village | 2020-10-06 16:49 | Julien Amsellem | 8 |
| L777433 | 2020-10-06 13:50 | Frank Guida | 1 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2020-10-06 10:09 | Kevin Schluter | 11 |
| Marshlands Conservancy | 2020-10-06 09:45 | Gail Benson | 1 |
| Hillview Reservoir (restricted access) | 2020-10-06 07:11 | Sean Camillieri | 6 |
| Ossining (Westchester Co.) | 2020-10-05 09:38 | Suzanne Kavic | 3 |
| Mariandale Retreat and Conference Center | 2020-10-05 09:35 | Barbara Strobino | 1 |
| Shore Park, Pelham Manor | 2020-10-04 16:01 | Eamon Corbett | 8 |
| L8955614 | 2020-10-04 08:19 | Joe Rothstein | 2 |
| Croton Landing Park | 2020-10-04 08:15 | Joseph Wallace | 4 |
| Croton Point Park | 2020-10-04 07:55 | Anne Swaim | 1 |
| Croton Point Park | 2020-10-04 07:55 | Cary Andrews | 1 |
| Croton Point Park | 2020-10-04 07:54 | Mike Usai | 55 |
| Waterfront Park, Dobbs Ferry | 2020-10-04 07:21 | LouAnn O'Hora | 33 |
| L12422882 | 2020-10-04 06:58 | Christopher Mignone | 10 |
| Croton Point Park | 2020-10-04 06:30 | Matthew Strobino | 1 |
| Yorktown Heights Rail Trail (North County Trailway) | 2020-10-03 14:16 | Julien Amsellem | 2 |
| Rockefeller SP Preserve--Rockwood Hall | 2020-10-03 13:50 | Eamon Corbett | 3 |
| L12172492 | 2020-10-03 09:00 | Ewing Leon | 2 |
| L12415355 | 2020-10-03 08:30 | Gerard Savaresse | 8 |
| Croton Point Park | 2020-10-03 07:35 | Larry Trachtenberg | 2 |
| Croton Point Park | 2020-10-03 07:30 | Michael and Janet Pietsch | 6 |
| Croton Point Park | 2020-10-03 07:30 | Michael and Janet Pietsch | 5 |
| Croton Point Park | 2020-10-03 07:08 | Max Epstein | 2 |
| Croton Point Park | 2020-10-02 17:02 | The Salmons | 3 |
| Croton Point Park | 2020-10-02 16:30 | Joseph Wallace | 4 |
| Edith G. Read Wildlife Sanctuary | 2020-10-02 15:40 | Gail Benson | 12 |
| The Landing, Dobbs Ferry | 2020-10-02 14:53 | Julien Amsellem | 42 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2020-10-02 13:53 | Kevin Schluter | 15 |
| L12285898 | 2020-10-02 08:46 | Virginia Papaioannou | 0 |
| Hillview Reservoir (restricted access) | 2020-10-02 07:16 | Sean Camillieri | 2 |
| Marshlands Conservancy | 2020-10-01 17:15 | Gail Benson | 1 |
| The Landing, Dobbs Ferry | 2020-10-01 15:49 | Julien Amsellem | 94 |
| Edith G. Read Wildlife Sanctuary | 2020-10-01 13:45 | Gail Benson | 8 |
| Croton Point Park | 2020-10-01 12:08 | LouAnn O'Hora | 2 |
| Lenoir Preserve | 2020-10-01 09:43 | Michael Bochnik | 1 |
| Croton Point Park | 2020-10-01 07:30 | Larry Trachtenberg | 2 |
| Hillview Reservoir (restricted access) | 2020-10-01 07:01 | Sean Camillieri | 1 |
| MacEchron Waterfront Park, Hastings on Hudson | 2020-09-30 18:18 | Julien Amsellem | 26 |
| Edith G. Read Wildlife Sanctuary | 2020-09-30 17:30 | Gail Benson | 82 |
| The Landing, Dobbs Ferry | 2020-09-30 17:00 | Tom Warren | 20 |
| Amawalk Reservoir, boat launch no. 5 | 2020-09-30 15:37 | Nicholas Schleissmann | 6 |
| Croton Point Park | 2020-09-30 14:04 | LouAnn O'Hora | 2 |
| Croton Point Park | 2020-09-30 08:00 | Larry Trachtenberg | 3 |
| Croton Point Park | 2020-09-30 08:00 | Charlie Roberto | 3 |
| Hillview Reservoir (restricted access) | 2020-09-30 06:44 | Sean Camillieri | 1 |
| L777433 | 2020-09-29 12:50 | Frank Guida | 7 |
| Croton Point Park | 2020-09-29 07:32 | LouAnn O'Hora | 3 |
| L12390830 | 2020-09-29 07:03 | Suzanne Kavic | 3 |
| Hillview Reservoir (restricted access) | 2020-09-29 06:53 | Sean Camillieri | 6 |