Date: 9/11/26 6:51 pm
From: <reports...>
Subject: [NHBirds] Pack Monadnock Raptor Migration Observatory (11 Sep 2026) 591 Raptors
Pack Monadnock Raptor Migration Observatory
Peterborough, New Hampshire, USA
Daily Raptor Counts: Sep 11, 2026
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Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 3 3
Turkey Vulture 0 2 2
Osprey 3 29 35
Bald Eagle 5 32 40
Northern Harrier 2 16 21
Sharp-shinned Hawk 41 276 295
Cooper's Hawk 6 24 24
American Goshawk 0 0 0
Red-shouldered Hawk 1 1 1
Broad-winged Hawk 524 1241 1311
Red-tailed Hawk 1 1 2
Rough-legged Hawk 0 0 0
Golden Eagle 0 0 0
American Kestrel 6 21 21
Merlin 1 5 6
Peregrine Falcon 0 1 1
Unknown Accipitrine 0 0 0
Unknown Buteo 0 1 1
Unknown Falcon 0 0 0
Unknown Eagle 0 0 0
Unknown Raptor 1 3 3

Total: 591 1656 1766
----------------------------------------------------------------------

Observation start time: 08:00:00
Observation end time: 16:00:00
Total observation time: 8 hours

Official Counter: Kate McKay

Observers: Amy Maurer, Annamarie Saenger, Chuck Carlson, Dot Currier,
Judd Nathan, Kevin O'Neill, Meade Cadot, Mike Gebo,
Nora Hanke, Tom Momeyer, with many more...

Visitors:
75.


Weather:
Mostly clear and sunny with a light wind from the WNW. Temperature started
at fifty degrees and reached the low sixties at the end of the day.

Raptor Observations:
Nearly 600 raptors flew across the sky today. Steady flow of birds
throughout the morning hours with activity slowing down to a trickle once
it became afternoon. One kettle of 33 broad-wings. Nice diversity of
raptors overall with a total of 10 different species.

Non-raptor Observations:
Nice diversity of other birds too including a distant Double-crested
Cormorant flying towards the east, a close Black-and-white Warbler eating a
caterpillar, a vocal Yellow-bellied Sapsucker visiting nearby, and an agile
Common Nighthawk flying by during the 2 o'clock hour. A butterfly highlight
was an Eastern Tailed-Blue.

Monarchs: 36/219
Ruby-throated Hummingbirds: 4/57

Predictions:
Looks like another nice September day but wind direction will be southwest,
which is not the most ideal for migration.
========================================================================
Report submitted by Kate McKay (<northernjay444...>)
Pack Monadnock Raptor Migration Observatory information may be found at:
www.harriscenter.org


More site information at hawkcount.org: https://hawkcount.org/siteinfo.php?rsite=320


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