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: Lisa Manzi
Nest Name:
ESS-04 - Round Island Platform
Adult Osprey Activity Observed:
Osprey Actively Building Nest
Location, Date & Time of Observation:
2025-04-08
7:38 AM to 7:53 AM
at: Essex
Number of Adults Visible: 2
Number of Nestlings Visible: 0
Number of Fledglings Visible: 0
Weather Conditions: 38 degrees, very little wind, 100% cloud cover
Other Activity: Initially 1 adult was on the nest post. A second osprey then brought a large stick into the nest.
Observation Method: through scope from Argilla Rd.
General Comments:
Name: Lisa Manzi
Nest Name:
ESS-03 - Great Bank Platform
Adult Osprey Activity Observed:
Osprey Perched
Location, Date & Time of Observation:
2025-04-08
8:05 AM to 8:30 AM
at: Essex
Number of Adults Visible: 2
Number of Nestlings Visible: 0
Number of Fledglings Visible: 0
Weather Conditions: 38 degrees, very little wind, 100% cloud cover
Other Activity: Initially 2 adults were in the nest. Then 1 flew out and over Choate Island. It returned, and both were perched. There was no sign of bring any sticks to the nest.
Observation Method: through scope from Island Rd.
General Comments:
Name: Lisa Manzi
Nest Name:
ESS-02 - Brophy Salt Marsh Platform
Adult Osprey Activity Observed:
Osprey Actively Building Nest
Location, Date & Time of Observation:
2025-04-08
8:05 AM to 8:30 AM
at: Essex
Number of Adults Visible: 2
Number of Nestlings Visible: 0
Number of Fledglings Visible: 0
Weather Conditions: 38 degrees, very little wind, 100% cloud cover
Other Activity: 1 adult perched on the side of the nest and 1 inside the nest moving sticks
Observation Method: through scope from Island rd.
General Comments:
Name: Linda Pogson
Nest Name:
SAU-01 - Upper Saugus River Utility Pole-DCR
Adult Osprey Activity Observed:
Other (specify below)
Location, Date & Time of Observation:
2025-04-07
2:55 PM to 3:10 PM
at: Saugus
Number of Adults Visible: 4
Number of Nestlings Visible: 0
Number of Fledglings Visible: 0
Weather Conditions: 39 raining
Other Activity: One was on the nest & another tried to land but was not welcome. Two others were flying around while the one was still on the nest. Then the eagle appeared & the one on the nest went after it & both flew downstream.
Observation Method: From our house.
General Comments: I'm concerned that they should be actively fixing the nest and spending more time on it by now. One will occasionally be on it but not for long. After 14 seasons watching the nest I hope they will settle in soon.
Name: Karyl Stoia
Nest Name:
SAU-04A - General Electric Platform #1
Adult Osprey Activity Observed:
No Osprey visible on nest
Location, Date & Time of Observation:
2025-04-07
3:30 PM to 3:45
at: Lynn
Number of Adults Visible: 0
Number of Nestlings Visible:
Number of Fledglings Visible:
Weather Conditions: 40'f drizzle, gray,
Other Activity:
Observation Method: foot
General Comments:
Name: Lisa Manzi
Nest Name:
ESS-11 - Dean Island Platform
Adult Osprey Activity Observed:
Osprey Perched
Location, Date & Time of Observation:
2025-04-07
10:36 AM to 10:56 AM
at: Essex
Number of Adults Visible: 2
Number of Nestlings Visible: 0
Number of Fledglings Visible: 0
Weather Conditions: Rainy, 38 degrees. light wind
Other Activity: First one on pole and one in nest, and then both perched in the nest
Observation Method: through scope from Island Rd
General Comments:
Name: Lisa Manzi
Nest Name:
ESS-07 - Babson Salt Marsh Platform
Adult Osprey Activity Observed:
No Osprey visible on nest
Location, Date & Time of Observation:
2025-04-07
10:15 AM to 10:25 AM
at: Essex
Number of Adults Visible: 0
Number of Nestlings Visible: 0
Number of Fledglings Visible: 0
Weather Conditions: Rainy, 38 degrees. light wind
Other Activity:
Observation Method: through scope from Argilla Rd
General Comments:
Name: Shirley Singleton
Nest Name:
ESS-05 - Singleton Salt Marsh Platform
Adult Osprey Activity Observed:
Osprey Perched
Location, Date & Time of Observation:
2025-04-07
9:00 AM to 9:20 AM
at: Essex
Number of Adults Visible: 2
Number of Nestlings Visible: 0
Number of Fledglings Visible: 0
Weather Conditions: Overcast, rainy, damp 37degrees
Other Activity: Bob and Pauline have been enjoying the good life. For the past 4 days, they have been hanging out on the nest and on the marsh perches, and eating fish together on the nest.
Observation Method: Back deck
General Comments: I heard a great horn owl hooting this morning. I hope they dont intend to stay.
Name: Lisa Manzi
Nest Name:
ESS-04 - Round Island Platform
Adult Osprey Activity Observed:
Osprey Perched
Location, Date & Time of Observation:
2025-04-07
10:15 AM to 10:25 AM
at: Essex
Number of Adults Visible: 2
Number of Nestlings Visible: 0
Number of Fledglings Visible: 0
Weather Conditions: Rainy, 38 degrees. light wind
Other Activity: Initially both in the nest, and then 1 up on the post. Then the 2nd one flew off.
Observation Method: through scope from Argilla Rd
General Comments:
Name: Lisa Manzi
Nest Name:
ESS-04 - Round Island Platform
Adult Osprey Activity Observed:
Osprey Perched
Location, Date & Time of Observation:
2025-04-07
10:36 AM to 10:56 AM
at: Essex
Number of Adults Visible: 1
Number of Nestlings Visible: 0
Number of Fledglings Visible: 0
Weather Conditions: Rainy, 38 degrees. light wind
Other Activity: Barely enough visibility to see over to Round Island. Just enough to see an osprey on the nest perch. It is possible there was an osprey in the nest as well. When viewed from Argilla Rd, there were 2 and this is the first day I have observed any osprey at the nest.
Observation Method: through scope from Island Rd.
General Comments: