Date: 9/16/26 3:58 pm
From: <reports...>
Subject: [NHBirds] Pack Monadnock Raptor Migration Observatory (16 Sep 2026) 258 Raptors
Pack Monadnock Raptor Migration Observatory
Peterborough, New Hampshire, USA
Daily Raptor Counts: Sep 16, 2026
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Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 3 3
Turkey Vulture 1 4 4
Osprey 5 77 83
Bald Eagle 1 54 62
Northern Harrier 2 26 31
Sharp-shinned Hawk 15 389 408
Cooper's Hawk 0 32 32
American Goshawk 0 0 0
Red-shouldered Hawk 0 2 2
Broad-winged Hawk 231 4662 4732
Red-tailed Hawk 0 1 2
Rough-legged Hawk 0 0 0
Golden Eagle 0 0 0
American Kestrel 2 37 37
Merlin 1 9 10
Peregrine Falcon 0 5 5
Unknown Accipitrine 0 0 0
Unknown Buteo 0 1 1
Unknown Falcon 0 1 1
Unknown Eagle 0 0 0
Unknown Raptor 0 3 3

Total: 258 5306 5416
----------------------------------------------------------------------

Observation start time: 08:00:00
Observation end time: 16:30:00
Total observation time: 8.5 hours

Official Counter: Nate Marchessault

Observers: Alan Bostick, Chuck Carlson, David Wiedner, Katrina Fenton,
Mark Timmerman, Mike Gebo, Robin Feustel, Tom Momeyer,
with many more...

Visitors:
77 visitors. Lots of folks popping in to see some hawks! Many hikers and
sightseers stopped by to chat about raptors throughout the day.


Weather:
A nice September day with temps geting to 20C by the afternoon, light
westerly breeze, and variable cloud cover. Conditions a bit hazy, but not
too bad.

Raptor Observations:
A trickle of raptors throughout the day with two nice little pulses. Toward
the end of the day it seemed like things were slowing down, when our
biggest movement of broad-wings for the day flew through, with 107 birds.

Non-raptor Observations:
1 Common Loon, 5 Double-crested Cormorants, and 1 Tree Swallow were other
birds on the move today. A few Golden-crowned Kinglets, juncos,
Yellow-rumped Warblers, and several warbler sp. around the hawkwatch
throughout the day. Lots of dragonflies flitting about.

Monarchs: 27/456
Ruby-throated Hummingbirds: 1/64

Predictions:
With the little pulse we had late in the day, it's possible there could be
some birds moving in the morning, but by mid-afternoon rain is forecast to
move in which should shut down most raptor movement.

With the front moving through, Friday is looking pretty promising!
========================================================================
Report submitted by Nate Marchessault (<nate...>)
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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