Date: 9/15/20 7:06 pm
From: <reports...>
Subject: [NHBirds] Pack Monadnock Raptor Migration Observatory (15 Sep 2020) 950 Raptors
Pack Monadnock Raptor Migration Observatory
Peterborough, New Hampshire, USA
Daily Raptor Counts: Sep 15, 2020

Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 0 0 0
Osprey 13 66 66
Bald Eagle 9 59 59
Northern Harrier 7 22 22
Sharp-shinned Hawk 27 166 166
Cooper's Hawk 5 25 25
Northern Goshawk 0 0 0
Red-shouldered Hawk 0 4 4
Broad-winged Hawk 882 2579 2579
Red-tailed Hawk 0 0 0
Rough-legged Hawk 0 0 0
Golden Eagle 0 0 0
American Kestrel 1 89 89
Merlin 1 30 30
Peregrine Falcon 3 4 4
Unknown Accipiter 0 3 3
Unknown Buteo 2 6 6
Unknown Falcon 0 2 2
Unknown Eagle 0 0 0
Unknown Raptor 0 25 25

Total: 950 3080 3080

Observation start time: 06:30:00
Observation end time: 17:00:00
Total observation time: 10.5 hours

Official Counter: Julie Brown, Phil Brown

Observers: Amy Maurer, Ivan Bulobanic, Jon Wildey, Judd Nathan, Julie,
Laurel, & Alden Brown, Mark Timmerman, Meade Cadot,
Nora Hanke, Sandy Taylor, Tom Delaney, Tom Young,
with many more...

38 folks, many of whom spent a good chunk of the day enjoying the
Broad-wing show. Three young women from Franklin Pierce University hiked up
and became captivated by raptor migration, spotting many birds for us
without binoculars before having to 'zoom' back to the virtual world. All
observers worked hard to find birds in all parts of the sky today - thanks
for your help with bird finding and counting, and great company!
In Meade's words: 'They're kettling up with my floaters!'

The sky was cloudless, but it soon became apparent that the sun was
obscured by a dimming haze caused by smoke from the massive western
wildlifes. This effect persisted the entire day and made for much
conversation as well as an interesting sunrise/sunset. Winds were light and
started from the NW, eventually shifting to the SW for the final few hours
of the count. Cool temps to start (41 F), rising to 63 F by late afternoon.

Raptor Observations:
Restless hawk watchers stole glances at their phones and wristwatches in
nervous anticipation as if waiting for a delayed train. Finally, two
Broad-wingeds rose up at 9:41 am, and it was all aboard! A steady flow of
Broad-wingeds peaked during the midday hours with kettles of up to 73
birds, but more commonly 20-40. The flight line shifted from east of the
mountain to directly overhead, where many kettles were noted.
Small numbers (mainly ones and twos) of Ospreys, Bald Eagles and Northern
Harriers (2 'gray ghost' males - first of season; 2 juveniles; 2 unknown
age/sex) trickled through during most hours. Peregrines showed themselves
three times, the last of which was a bird shapeshifting with a raven in the
late afternoon. The token four o-clock Merlin sparred with an equally irate
Sharpie. Eventually the counters called it a tie. Two Ospreys found enough
lift in the dying day to kept the count going until 6 pm.

Non-raptor Observations:
High diversity of migrants with 40 species in all. Two shorebirds - one
each of Semipalmated Plover and Solitary Sandpiper, both rare for the site
- were unexpected treats. Great Blue Heron, Double-crested Cormorant (5),
Canada Goose (45 in three migrant skeins), Ruby-throated Hummingbird (1),
six species of warblers including Cape May and Tennessee, and an unexpected
and early Pine Siskin at 5:52 pm heading north(!) over the ridge were other
Only 10 Monarchs - perhaps the smoky haze hid more, or hindered their

This afternoon's SW winds will strengthen into tomorrow and perhaps be
strong enough to allow much movement, at least for Broad-wingeds. Expect a
few Ospreys and Peregrines to steer into this headwind. At this point,
Friday and Saturday are looking like potentially really good migration
days. You'll need reservations to get into the Park:
Report submitted by Phil Brown (<pbrown...>)
Pack Monadnock Raptor Migration Observatory information may be found at:

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