Date: 9/10/17 8:12 pm
From: <reports...>
Subject: [NHBirds] Pack Monadnock Raptor Migration Observatory (10 Sep 2017) 1294 Raptors
Pack Monadnock Raptor Migration Observatory
Peterborough, New Hampshire, USA
Daily Raptor Counts: Sep 10, 2017

Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 0 0 0
Osprey 8 35 35
Bald Eagle 8 18 18
Northern Harrier 5 10 10
Sharp-shinned Hawk 36 76 76
Cooper's Hawk 8 13 13
Northern Goshawk 0 0 0
Red-shouldered Hawk 2 3 3
Broad-winged Hawk 1219 2107 2107
Red-tailed Hawk 0 3 3
Rough-legged Hawk 0 0 0
Golden Eagle 0 0 0
American Kestrel 2 4 4
Merlin 5 7 7
Peregrine Falcon 1 3 3
Unknown Accipiter 0 0 0
Unknown Buteo 0 0 0
Unknown Falcon 0 0 0
Unknown Eagle 0 0 0
Unknown Raptor 0 4 4

Total: 1294 2283 2283

Observation start time: 07:15:00
Observation end time: 16:30:00
Total observation time: 9.25 hours

Official Counter: Katrina Fenton

Observers: Alan Bostick, Andre Moraes, Glen & Lori Chretien,
Jane Fiske, Janet Delaney, Meade Cadot, Mike Gebo,
Tom Delaney, with many more...

The sun nearly had the sky to itself this morning, with just a handful of
distant clouds scattered far about the edges of a crystalline bowl. In a
repeat of yesterday, the air gradually filled with cumulus, then cleared,
though this time the blackening bellies of the clouds did not send us
scrambling to cover optics and secure data sheets against the rain.
Temperatures rose to top out at 70, though there was a noticeable chill to
the air whenever the sun was obscured. The wind was perfect- light out of
the north for the duration of the count.

Raptor Observations:
Hawks wasted no time this morning- testing the air almost as soon as the
clock struck 9am. Mini kettles of 3-13 rose on either side of the ridge,
accipiters joining broad-wingeds while Bald Eagles and Ospreys seemed to
prefer to keep to themselves. The largest kettle of the day formed over the
summit parking lot, 251 birds strong. During the most overcast section of
the day, we watched birds rise into the clouds and out of site, hinting
that there could be many other migrants passing unobserved high overhead.

Non-raptor Observations:
Non-raptor Migrants:
Canada Goose- 6
shorebird sp.- 6
Ruby-throated Hummingbird- 3
Blackpoll Warbler- 2
Yellow-rumped Warbler- 7
Tennessee Warbler- 2
warbler sp.- 4
White-winged Crossbill- 4

Monarch Butterfly- 12

Favorable winds again tomorrow, blowing out of the NW at 5-10mph. There
might be some fog over the rivers to start the day, but it should burn off
quickly with temperatures rebounding to the 70s after dropping to the 40s
overnight. Sites to our north were reporting hundreds of Broad-winged Hawks
late in the afternoon. It should be another excellent day!
Report submitted by Katrina Fenton (<gosknits...>)
Pack Monadnock Raptor Migration Observatory information may be found at:

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