Date: 9/15/26 6:53 pm
From: <reports...>
Subject: [NHBirds] Pack Monadnock Raptor Migration Observatory (15 Sep 2026) 2729 Raptors
Pack Monadnock Raptor Migration Observatory
Peterborough, New Hampshire, USA
Daily Raptor Counts: Sep 15, 2026
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Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 3 3
Turkey Vulture 1 3 3
Osprey 31 72 78
Bald Eagle 11 53 61
Northern Harrier 5 24 29
Sharp-shinned Hawk 46 374 393
Cooper's Hawk 0 32 32
American Goshawk 0 0 0
Red-shouldered Hawk 0 2 2
Broad-winged Hawk 2626 4431 4501
Red-tailed Hawk 0 1 2
Rough-legged Hawk 0 0 0
Golden Eagle 0 0 0
American Kestrel 3 35 35
Merlin 1 8 9
Peregrine Falcon 4 5 5
Unknown Accipitrine 0 0 0
Unknown Buteo 0 1 1
Unknown Falcon 1 1 1
Unknown Eagle 0 0 0
Unknown Raptor 0 3 3

Total: 2729 5048 5158
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Observation start time: 07:00:00
Observation end time: 17:00:00
Total observation time: 10 hours

Official Counter: Phil Brown

Observers: Alan Bostick, Chuck Carlson, David Wiedner,
Howard Mansfield, Jason Ruckdeshel, Jim McCoy, Julie Brown,
Katrina Fenton, Kevin O'Neill, Lillian Stokes,
Mark Timmerman, Meade Cadot, Mike Gebo, Miki Foley,
Nan O\'Neill, Sy Montgomery, Tom Delaney, Tom Momeyer,
Tony Troppito, with many more...

Visitors:
78. Good to see so many hawk watching friends and new raptor enthusiasts,
especially young birders, Isaiah, Claire, and family. Thanks to the WMUR
film crew, who witnessed a fantastic flight with us today while filming an
episode of NH Chronicle and capturing the magic of migration with us.

Big shout out to volunteer (and former staff counter) Katrina Fenton, who
found innumerable distant kettles, helped manage the broad-winged and
monarch counts, and shared lots of knowledge and enthusiasm with visitors
all day. And thanks to the so many other dedicated members of our team for
doing the same!


Weather:
Relatively calm day with abundant thermals and blue skies. Cool start, but
a hot sun that gave birds plenty of lift, which continued well into the
late afternoon. 43-61 F.
Winds light and variable, which even when southerly, were not enough to
impede migration.

Raptor Observations:
The day we all hoped it would be - at least in number - with 2,626
Broad-winged Hawks, more than doubling the season's tally. Biggest day
since 9/14/25, when 3,160 broad-wings were counted. A steady push with big
kettles of several dozen to a few hundred, with the biggest push in the
afternoon, especially the noon and 3 pm hours. Many kettles were quite
distant ('scope specks'), but most notably, a group of 494 birds split off
in two directions around 330 pm and astounded viewers, kettling up several
times during their slow movements across the sky.

Another THREE Black Vultures were seen drifting off to the east and not
determined to be migrants.

Ospreys totaled 31, including 24 seen between 4-6 pm alone. This was the
biggest osprey day since the same date in 2024, when 52 sailed past.

Non-raptor Observations:
2 Common Loons, 2 Double-crested Cormorants, 4 Barn Swallows, 1 Eastern
Towhee, 1 Cape May Warbler, 1 Magnolia Warbler, 1 Blackpoll Warbler, 1
Barred Owl.
Monarchs: 102/429, Ruby-throated Hummingbirds: 4/63

https://ebird.org/checklist/S393275413

Predictions:
This is likely just the beginning of the Broad-winged peak, and conditions
look favorable with light southwest winds and continued sunny conditions,
generating thermals across the landscape. Will it come close to today's
total is anyone's guess, so come out to help Nate and our volunteers find
hawks!
========================================================================
Report submitted by Phil Brown (<brown...>)
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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