| Location | Date | Observer | # |
|---|---|---|---|
| Rockefeller SP Preserve | 2019-10-13 07:50 | valerie heemstra | 1 |
| Marshlands Conservancy | 2019-10-11 07:04 | Ethan Muller | 1 |
| L8006138 | 2019-10-09 16:00 | Charlie Roberto | 2 |
| L213218 | 2019-10-09 15:30 | valerie heemstra | 2 |
| Hillview Reservoir (restricted access) | 2019-10-09 04:56 | Sean Camillieri | 1 |
| Marshlands Conservancy | 2019-10-08 09:45 | Gail Benson | 1 |
| Rockefeller SP Preserve | 2019-10-08 07:39 | valerie heemstra | 1 |
| L8198356 | 2019-10-07 12:54 | Sandy Morrissey | 2 |
| Tarrytown Lakes Park | 2019-10-07 11:45 | Carole Griffiths | 1 |
| Croton Point Park | 2019-10-06 07:00 | Sandra Wright | 1 |
| Yorktown Bike Path Wetlands | 2019-10-06 06:35 | Anne Swaim | 1 |
| Yorktown Bike Path Wetlands | 2019-10-06 06:35 | The Salmons | 1 |
| Rockefeller SP Preserve | 2019-10-05 07:50 | Michael Grossman | 3 |
| Teatown Lake Reservation | 2019-10-05 07:42 | Anne Swaim | 5 |
| Teatown Lake Reservation | 2019-10-05 07:42 | The Salmons | 5 |
| L8198356 | 2018-10-13 08:15 | Sandy Morrissey | 1 |
| Rockefeller SP Preserve--Rockwood Hall | 2018-10-10 08:20 | valerie heemstra | 1 |
| Croton Point Park | 2018-10-09 10:17 | Anne Swaim | 3 |
| Marshlands Conservancy | 2018-10-08 09:50 | Gail Benson | 1 |
| L8006138 | 2018-10-08 09:19 | Charlie roberto | 1 |
| Rockefeller SP Preserve | 2018-10-08 08:15 | Anne Swaim | 1 |
| Rockefeller SP Preserve | 2018-10-08 08:15 | Kathleen Williamson | 1 |
| Rockefeller SP Preserve | 2018-10-08 08:15 | James R. Gmelin | 1 |
| Rockefeller SP Preserve | 2018-10-08 08:15 | Gloria Gorell | 1 |
| Rockefeller SP Preserve | 2018-10-08 08:15 | Ellis Gitlin | 1 |
| Rockefeller SP Preserve | 2018-10-08 08:15 | Gillian Corfield | 1 |
| Rockefeller SP Preserve | 2018-10-08 08:15 | LouAnn O'Hora | 1 |
| Croton Point Park | 2018-10-06 07:35 | Larry Trachtenberg | 1 |
| Rockefeller SP Preserve | 2018-10-06 07:30 | Michael Grossman | 1 |
| Croton Point Park | 2018-10-06 07:25 | Steve Rappaport | 1 |
| Croton Point Park | 2018-10-06 07:22 | kyle bardwell | 1 |
| Rockefeller SP Preserve | 2018-10-05 07:17 | valerie heemstra | 1 |
| Rockefeller SP Preserve--Swan Lake area | 2017-10-10 09:50 | valerie heemstra | 1 |
| Croton Point Park | 2017-10-10 07:50 | Matthew Strobino | 3 |
| Rockefeller SP Preserve | 2017-10-09 07:30 | Anne Swaim | 6 |
| Rockefeller SP Preserve | 2017-10-09 07:30 | Kathleen Williamson | 6 |
| Rockefeller SP Preserve | 2017-10-09 07:30 | Gillian Corfield | 6 |
| Rockefeller SP Preserve | 2017-10-09 07:30 | Gloria Gorell | 6 |
| Rockefeller SP Preserve | 2017-10-09 07:30 | Ellis Gitlin | 6 |
| L3128998 | 2016-10-11 16:15 | Matthew Strobino | 1 |
| Edith G. Read Wildlife Sanctuary | 2016-10-11 14:27 | Sean Camillieri | 1 |
| Tarrytown Lakes Park | 2016-10-08 10:00 | Evan Edelbaum | 2 |
| Hillview Reservoir (restricted access) | 2016-10-08 06:20 | Michael Adams | 1 |
| Larchmont Reservoir (Sheldrake Lake) | 2016-10-07 09:00 | Carolyne Allen | 1 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2016-10-05 11:55 | Jesse Sargent | 1 |
| Kensico Reservoir (Kensico & Rye Lakes) | 2016-10-05 11:55 | Zach Batren | 1 |
| Rockefeller SP Preserve | 2016-10-05 11:00 | Brad Vatrt | 1 |
| Twin Lakes Park, Eastchester | 2016-10-05 09:45 | Suzanne O'Rourke | 1 |
| Rockefeller SP Preserve | 2015-10-07 08:45 | Evan Edelbaum | 1 |
| L945548 | 2015-10-06 13:00 | Sandy Morrissey | 1 |
| Chestnut Ridge Hawk Watch | 2015-10-05 09:00 | Charlie Plimpton | 1 |
| Chestnut Ridge Hawk Watch | 2015-10-05 09:00 | Chelsea Plimpton | 1 |
| Lenoir Preserve | 2014-10-12 06:45 | Michael Bochnik | 3 |
| L1768711 | 2014-10-10 12:40 | Chris Cording | 1 |
| Rockefeller SP Preserve | 2014-10-10 08:20 | Evan Edelbaum | 1 |
| Twin Lakes Park, Eastchester | 2014-10-10 08:00 | Suzanne O'Rourke | 3 |
| Croton Point Park | 2014-10-09 08:40 | Evan Edelbaum | 2 |
| Stone Barns Center for Food and Agriculture | 2014-10-08 09:45 | Evan Edelbaum | 2 |
| Edith G. Read Wildlife Sanctuary--HQ | 2014-10-06 08:00 | Suzanne O'Rourke | 2 |
| Twin Lakes Park, Eastchester | 2013-10-14 09:00 | Suzanne O'Rourke | 1 |
| Edith G. Read Wildlife Sanctuary | 2012-10-14 11:00 | Greg Prelich | 1 |
| Edith G. Read Wildlife Sanctuary--HQ | 2012-10-08 10:41 | Benjamin Van Doren | 1 |
| Edith G. Read Wildlife Sanctuary--HQ | 2012-10-08 10:41 | Eamon Corbett | 1 |
| Chestnut Ridge Hawk Watch | 2012-10-08 07:30 | Genevieve Rozhon | X |
| Marshlands Conservancy | 2012-10-08 07:00 | Benjamin Van Doren | 1 |
| Marshlands Conservancy | 2012-10-08 07:00 | Eamon Corbett | 1 |
| L197982 | 2011-10-15 07:50 | Benjamin Van Doren | 2 |
| Rockefeller SP Preserve | 2011-10-14 08:30 | Evan Edelbaum | 1 |
| Rockefeller SP Preserve | 2011-10-11 08:45 | Evan Edelbaum | 1 |
| Croton Point Park | 2011-10-10 08:00 | Lewis Lolya | 2 |
| Marshlands Conservancy | 2011-10-10 07:30 | Benjamin Van Doren | 1 |
| Tarrytown Lakes Park | 2011-10-09 08:30 | Evan Edelbaum | 3 |
| Lenoir Preserve | 2011-10-09 07:00 | Michael Bochnik | 1 |
| Stone Barns Center for Food and Agriculture | 2011-10-08 08:30 | Evan Edelbaum | 2 |
| L1286853 | 2011-10-07 15:30 | Lewis Lolya | 1 |
| Rockefeller SP Preserve--Swan Lake area | 2011-10-05 12:00 | Sonya LaDouceur | X |
| Tarrytown Lakes Park | 2010-10-15 08:45 | Evan Edelbaum | 4 |
| Rockefeller SP Preserve--Swan Lake area | 2010-10-14 13:35 | Richard Nelson | 1 |
| Rockefeller SP Preserve | 2010-10-13 15:15 | Evan Edelbaum | 7 |
| Rockefeller SP Preserve | 2010-10-11 08:30 | Evan Edelbaum | 6 |
| Tarrytown Lakes Park | 2010-10-10 08:30 | Evan Edelbaum | 4 |
| Rockefeller SP Preserve--Swan Lake area | 2010-10-09 09:20 | Richard Nelson | 1 |
| Rockefeller SP Preserve | 2010-10-08 08:30 | Evan Edelbaum | 10 |
| Rockefeller SP Preserve--Swan Lake area | 2010-10-07 13:57 | Richard Nelson | 2 |
| Rockefeller SP Preserve--Swan Lake area | 2010-10-07 09:45 | Richard Nelson | 1 |
| Tarrytown Lakes Park | 2010-10-07 08:30 | Evan Edelbaum | 2 |
| Rockefeller SP Preserve | 2010-10-06 13:00 | Dana Bennis | 3 |
| Rockefeller SP Preserve | 2010-10-06 09:30 | Evan Edelbaum | 6 |