Derby Hill Bird Observatory
Mexico, New York, USA
Daily Raptor Counts: Apr 24, 2026
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Species            Day's Count    Month Total   Season Total
------------------ ----------- -------------- --------------
Black Vulture                0              5             11
Turkey Vulture              64          22198          35196
Osprey                       2            142            155
Bald Eagle                   3            304            511
Northern Harrier             0            352            446
Sharp-shinned Hawk           9           2034           2212
Cooper's Hawk                1             90            282
American Goshawk             0              1              2
Red-shouldered Hawk          0             85            497
Broad-winged Hawk          410          24915          24915
Red-tailed Hawk              8           1678           2557
Rough-legged Hawk            0             15             68
Golden Eagle                 1             32             62
American Kestrel             0            319            384
Merlin                       0             35             65
Peregrine Falcon             0              4              8
Unknown Accipitrine          0              0              0
Unknown Buteo                0              0              0
Unknown Falcon               0              0              0
Unknown Eagle                0              0              0
Unknown Raptor               0              0              0
Swainson's Hawk              0              1              1

Total:                     498          52210          67372
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Observation start time: 08:00:00 
Observation end   time: 15:00:00 
Total observation time: 7 hours

Official Counter:        David Brown

Observers:        

Visitors:
1


Weather:
Mostly cloudy becoming mostly sunny by the midday. Moderate northerly
winds, shifting northwest at times.

Raptor Observations:
The bulk of the flight was some groups of Broad-winged Hawks at scope
distance inland, especially during a brief period in the midday. Otherwise
a slow trickle of migrants, some overhead. Broad-winged Hawks were most
numerous with over 400. Small groups of Turkey Vultures for 64 total. Small
numbers of other expected migrants including 9 sharpies and 8 red-tails.
One distant Golden Eagle in the first hour. 

Derby Hill 2026 Daily Summary Videos:
https://www.youtube.com/playlist?list=PLB8baxseGlb6YYCLHXEKtIckpJtq1srVm

Non-raptor Observations:
North Lookout (morning birding): Northern House Wren, Hermit Thrush.
https://ebird.org/checklist/S326425666

South Lookout: 2 Killdeer, 2 Common Loons, 11 Double-crested Cormorants,
Palm Warbler.
https://ebird.org/checklist/S326663504

New species for season: Northern House Wren

Predictions:
TOMORROW: Cloudy with rain later in the day. High 51F. Winds ESE at
10-15mph. A less favorable wind than a true SE, and more of a head wind so
it tends to keep raptors low, but lessen the migration volume. Perhaps a
flight for the morning with less favorable conditions for the afternoon as
rain moves in. The flight will depend on how gloomy it is, but I would
expect the powered fliers to be on the move (Accips, falcons, harriers),
and if conditions are good enough perhaps broad-wings too. We are in peak
time so unexpected big flights can happen if conditions improve.

SUNDAY: Partly cloudy. High 57F. Winds NNW at 5-10mph. Winds are weak
enough that we could end up with a good South Lookout flight.

MONDAY: Mostly sunny. High around 65F. Winds starting a light SE shifting
NW at 5-10mph. Could be another decent South Lookout flight, though blue
skies may make spotting difficult.


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Report submitted by David Brown ([email protected] )
Derby Hill Bird Observatory information may be found at:
http://onondagaaudubon.com/derby-hill-bird-observatory/


More site information at hawkcount.org:  
https://hawkcount.org/siteinfo.php?rsite=358
Count data submitted via Trektellen.org -  Project info at:
https://trektellen.org/count/view/3860/20260424

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