Pack Monadnock Raptor Migration Observatory (23 Sep 2026) 143 Raptors
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Sep 23, 2026, 8:30:26 PM (8 days ago) Sep 23
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Pack Monadnock Raptor Migration Observatory
Peterborough, New Hampshire, USA
Visitors:
60 visitors throughout the day visited and enjoyed the crisp fall air, including two school groups.
Weather:
The day started clear with winds from the ENE, mostly cloudy skies in the afternoon, and a chilly start to mild afternoon. Steady winds from the northeast throughout the day, getting a little calmer in the afternoon.
Raptor Observations:
A decent pulse of activity mid-morning, with a trickle for the rest of the day. I had high hopes when an Osprey was right on time for the start of the count at 9 a.m., but the excitement of kettle after kettle was short-lived.
Non-raptor Observations:
Early in the morning an American Pipit and my first Pine Siskin of the fall flew over. Shortly afterward, a group of cormorants was seen flying west. Other than that, a Ruby-crowned Kinglet, towhee, Yellow-rumped Warblers, and White-throated Sparrows were all observed at the watch or around the summit. Nice flight of Blue Jays early, but it was also short-lived. Blue Jays: 27/45 Monarchs: 8/810 Ruby-throated Hummingbird: 1/70
Predictions:
Similar weather is predicted for tomorrow, and potentially slightly lighter winds, which are favorable. This will be the fourth day in a row with favorable migration conditions, which typically means less birds. There will be some birds on the move for sure, but as to whether it will be a big day or not is up to the birds.
Report submitted by Nate Marchessault (na...@harriscenter.org)
Pack Monadnock Raptor Migration Observatory information may be found at: www.harriscenter.org
More information at hawkcount.org: [Site Profile] [Day Summary] [Month Summary]
Peterborough, New Hampshire, USA
| Daily Raptor Counts: Sep 23, 2026 | |||
| Species | Day's Count | Month Total | Season Total |
| Black Vulture | 0 | 3 | 3 |
| Turkey Vulture | 2 | 27 | 27 |
| Osprey | 2 | 124 | 130 |
| Bald Eagle | 4 | 91 | 99 |
| Northern Harrier | 5 | 58 | 63 |
| Sharp-shinned Hawk | 23 | 680 | 699 |
| Cooper's Hawk | 0 | 54 | 54 |
| American Goshawk | 0 | 1 | 1 |
| Red-shouldered Hawk | 0 | 3 | 3 |
| Broad-winged Hawk | 102 | 14292 | 14362 |
| Red-tailed Hawk | 0 | 3 | 4 |
| Rough-legged Hawk | 0 | 0 | 0 |
| Golden Eagle | 0 | 0 | 0 |
| American Kestrel | 2 | 103 | 103 |
| Merlin | 3 | 17 | 18 |
| Peregrine Falcon | 0 | 7 | 7 |
| Unknown Accipitrine | 0 | 1 | 1 |
| Unknown Buteo | 0 | 1 | 1 |
| Unknown Falcon | 0 | 1 | 1 |
| Unknown Eagle | 0 | 0 | 0 |
| Unknown Raptor | 0 | 10 | 10 |
| Total: | 143 | 15476 | 15586 |
| Observation start time: | 08:00:00 |
| Observation end time: | 16:00:00 |
| Total observation time: | 8 hours |
| Official Counter | Nate Marchessault, Tom Delaney |
| Observers: | Annamarie Saenger, Chuck Carlson, Dot Currier, Judd Nathan, Mike Gebo, Robin Feustel, Tom Momeyer |
Visitors:
60 visitors throughout the day visited and enjoyed the crisp fall air, including two school groups.
Weather:
The day started clear with winds from the ENE, mostly cloudy skies in the afternoon, and a chilly start to mild afternoon. Steady winds from the northeast throughout the day, getting a little calmer in the afternoon.
Raptor Observations:
A decent pulse of activity mid-morning, with a trickle for the rest of the day. I had high hopes when an Osprey was right on time for the start of the count at 9 a.m., but the excitement of kettle after kettle was short-lived.
Non-raptor Observations:
Early in the morning an American Pipit and my first Pine Siskin of the fall flew over. Shortly afterward, a group of cormorants was seen flying west. Other than that, a Ruby-crowned Kinglet, towhee, Yellow-rumped Warblers, and White-throated Sparrows were all observed at the watch or around the summit. Nice flight of Blue Jays early, but it was also short-lived. Blue Jays: 27/45 Monarchs: 8/810 Ruby-throated Hummingbird: 1/70
Predictions:
Similar weather is predicted for tomorrow, and potentially slightly lighter winds, which are favorable. This will be the fourth day in a row with favorable migration conditions, which typically means less birds. There will be some birds on the move for sure, but as to whether it will be a big day or not is up to the birds.
Report submitted by Nate Marchessault (na...@harriscenter.org)
Pack Monadnock Raptor Migration Observatory information may be found at: www.harriscenter.org
More information at hawkcount.org: [Site Profile] [Day Summary] [Month Summary]
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