Date: 10/12/17 5:17 am
From: <reports...>
Subject: [NHBirds] Pack Monadnock Raptor Migration Observatory (11 Oct 2017) 106 Raptors
Pack Monadnock Raptor Migration Observatory
Peterborough, New Hampshire, USA
Daily Raptor Counts: Oct 11, 2017

Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 19 55 62
Osprey 2 43 210
Bald Eagle 5 32 110
Northern Harrier 2 14 58
Sharp-shinned Hawk 49 239 971
Cooper's Hawk 3 30 102
Northern Goshawk 0 4 4
Red-shouldered Hawk 1 18 33
Broad-winged Hawk 3 25 8743
Red-tailed Hawk 2 26 32
Rough-legged Hawk 1 1 1
Golden Eagle 0 1 1
American Kestrel 7 37 145
Merlin 3 18 85
Peregrine Falcon 7 30 50
Unknown Accipiter 0 0 2
Unknown Buteo 0 0 2
Unknown Falcon 1 2 2
Unknown Eagle 0 1 1
Unknown Raptor 1 6 33

Total: 106 582 10647

Observation start time: 07:30:00
Observation end time: 16:45:00
Total observation time: 9.25 hours

Official Counter: Katrina Fenton

Observers: Judd Nathan, Marie Matrano, Michael Burgess, Nancy Moreau


Patches of blue sky hinted that there could be warmth and rising air to be
found somewhere, but for most of the day, sunbeams seemed to be avoiding
Pack. The fickle wind died off to a whisper by late morning, then roused
itself periodically in the afternoon. It could not settle on a direction to
blow from, bouncing around every point from east to north-northwest. The
temperature rose from the 50s to the low 60s.

Raptor Observations:
Migration seemed to slow to start this morning, though it was suspected
that the lack of lift might be keeping migrants in the valley out of sight.
Noon brought briefly brightening skies, which sent small flocks of Turkey
Vultures streaming high over the ridge and other raptors followed suit
below. Three Broad-winged Hawks pushed their species into being the most
common buteo migrant of the day, how often does that happen in mid-October
in northern New England? At 4:15 (EST), a swarm of ravens over North Pack
signaled the presence of a nomad from the far north. Scopes and binoculars
trained on the mass of birds could pick out a lanky buteo with wings longer
than a raven's, the late afternoon light bringing out its plumage of warm
toffee tones washed in coffee and punctuated with deepest ebony at the
wrists. The Rough-legged Hawk was escorted by its corvid greeting party the
full length of the sky, never coming closer than the limit of unaided

Non-raptor Observations:
Non-raptor Migrants:
Canada Goose- 506
Ring-billed Gull- 1
Common Loon- 3
Double-crested Cormorant- 95
Blue Jay- 12
Horned Lark- 12
Red Crossbill- 1
Pine Siskin- 1
Blackpoll Warbler- 1
Yellow-rumped Warbler- 46
warbler sp.- 3
passerine sp- 3

More sun is in store for tomorrow, though temperatures are not predicted to
rise out of the 50s. The wind will be out of the NE at 5-10mph to start,
shifting to come straight out of the east by the end of the day. Light wind
and sunshine are what's needed for migrants looking for thermals after the
high winds and overcast of the week.
Report submitted by Katrina Fenton (<gosknits...>)
Pack Monadnock Raptor Migration Observatory information may be found at:

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