Osprey Monitoring & Sightings
Where are Osprey Nesting?
For more than 15 years, Greenbelt has been dedicated to Osprey conservation through the construction and maintenance of nesting platforms, data collection, public education, and collaborative research efforts aimed at protecting this once endangered species. Volunteers submit their sightings online, and the most recent sightings are displayed in real-time.
Osprey Sighting Form
Help track Osprey behavior north of Boston by submitting your observations using our easy-to-use online reporting form.
Osprey Sightings Archive Search
Name: Robyn Lafata
Nest Name:
ESS-08 - Greenbelt Cox Reservation Platform #2
Adult Osprey Activity Observed:
Osprey Perched
Location, Date & Time of Observation:
2026-04-21
09:00 AM to 09:12 AM
at: Essex
Number of Adults Visible: 2
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: 38 degrees, no wind, sunny and low tide
Other Activity: Both M&F on nest...I think female is possibly on eggs, she is down low and male is on side of nest. Eagle flyover with no interactions.
Observation Method: Vehicle
General Comments:
Name: Shirley Singleton
Nest Name:
ESS-05 - Singleton Salt Marsh Platform
Adult Osprey Activity Observed:
Osprey Incubating Eggs or Chicks
Location, Date & Time of Observation:
2026-04-21
07:00 AM to 07:24 AM
at: Essex
Number of Adults Visible: 1
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: 31 chilly degrees, great sun and blue skies
Other Activity:
Observation Method: Telescope
General Comments: Pauline has been sitting on eggs for 3 days. Prior to that, she had 4 days of semi-squatting on the nest.
Name: Robyn Lafata
Nest Name:
ESS-01 - Greenbelt Cox Reservation Platform #1
Adult Osprey Activity Observed:
No Osprey visible on nest
Location, Date & Time of Observation:
2026-04-21
09:00 AM to 09:12 AM
at: Essex
Number of Adults Visible:
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: 38 degrees, sunny, no wind, low tide
Other Activity:
Observation Method: vehicle
General Comments:
Name: Nanci St.George
Nest Name:
EAB-02 - Belle Isle Salt Marsh Platform
Adult Osprey Activity Observed:
Osprey Incubating Eggs or Chicks
Location, Date & Time of Observation:
2026-04-21
03:47 PM to 03:51 PM
at: East Boston
Number of Adults Visible: 2
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: 45 degrees, few clouds, wind ESE 19mph
Other Activity: Female relieved male from incubation duty. Female seen rolling eggs before settling down.
Observation Method: Observed via EarthCam camera at the nest site
General Comments: The first egg was laid 4/17/26 and the second on 4/20/26 which is about 7 days earlier than past years.
Name: Greg Power
Nest Name:
MAN-01 - Sauli Rock Daymarker G1
Adult Osprey Activity Observed:
Osprey Actively Building Nest
Location, Date & Time of Observation:
2026-04-21
03:14 PM to 03:45 PM
at: Beverly
Number of Adults Visible: 2
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: Broken clouds Temperature: 42 - 43°F Wind: Gentle breeze - moderate breeze Wind Direction: SE Cloud Cover: 65 - 84% Humidity: 43 - 47%
Other Activity:
Observation Method: For from West Beach
General Comments: 1 bird in the nest and the other on the marker to the West
Name: John Sayre-Scibona
Nest Name:
SAU-11 - Bear Creek Wildlife Sanctuary Platform #2
Adult Osprey Activity Observed:
Other (specify below)
Location, Date & Time of Observation:
2026-04-20
01:50 PM to 02:05 PM
at: Saugus
Number of Adults Visible: 2
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: Pt. Sunny, 47°, 10-18 MPH West
Other Activity: One ospray in platform/nest. One sitting to the right of the platform on the edge of river. No nesting material noted on platform
Observation Method: Parked along Mills Ave and there is easy viewing of this platform.
General Comments: I'm hoping that this platform becomes an active nest and that the folks that live along Mills Ave, enjoy the new platform!
Name: John Sayre-Scibona
Nest Name:
SAU-10 - Saugus River Transmission Tower
Adult Osprey Activity Observed:
Osprey Incubating Eggs or Chicks
Location, Date & Time of Observation:
2026-04-20
01:25 PM to 01:35 PM
at: Saugus
Number of Adults Visible: 2
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: High cloudy , 48°, 10-18 MPH West
Other Activity: One osprey in nest and another in march area far off to the northeast of second transmission tower
Observation Method: Pulled into Gibson Point condo parking lot - near river's edge.
General Comments:
Name: John Sayre-Scibona
Nest Name:
SAU-09 - Bear Creek Transmission Tower
Adult Osprey Activity Observed:
Osprey Incubating Eggs or Chicks
Location, Date & Time of Observation:
2026-04-20
01:40 PM to 01:45 PM
at: Saugus
Number of Adults Visible: 1
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: High clouds 47°, 10-18 MPH West
Other Activity:
Observation Method: Viewed from Mills Ave w/scope
General Comments:
Name: Matt Hallihan
Nest Name:
SAU-08 - DCR Rumney Marsh Platform #2
Adult Osprey Activity Observed:
Osprey Actively Building Nest
Location, Date & Time of Observation:
2026-04-20
09:20 AM to 09:45 AM
at: Saugus
Number of Adults Visible: 2
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: 40F, light winds, partly cloudy
Other Activity:
Observation Method: On Foot
General Comments: Recorded on eBird by Mike Bryant ("Nature Man Mike") during guided birding walk on 4/20/26, sponsored by Rumney Marsh Conservancy.
Name: John Sayre-Scibona
Nest Name:
SAU-05 - Bear Creek Wildlife Sanctuary Platform #1
Adult Osprey Activity Observed:
Osprey Incubating Eggs or Chicks
Location, Date & Time of Observation:
2026-04-20
02:05 PM to 02:15 PM
at: Saugus
Number of Adults Visible: 2
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: Pt. Sunny, 47°, 10-18 MPH West
Other Activity: Lone osprey flew overhead while viewing this platform.
Observation Method: Viewed from the south end of Mills Ave with scope
General Comments: It looks like additional nesting material may have been added since 4/15/26 - to the 1' tall nest.