Derby Hill Bird Observatory
Mexico, New York, USA
Daily Raptor Counts: May 18, 2026
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Species            Day's Count    Month Total   Season Total
------------------ ----------- -------------- --------------
Black Vulture                0              1             13
Turkey Vulture             668           2884          39049
Osprey                       4             55            284
Bald Eagle                  84            379           1098
Northern Harrier            11            104            611
Sharp-shinned Hawk           4            561           3439
Cooper's Hawk                0              7            307
American Goshawk             0              0              2
Red-shouldered Hawk          0              1            500
Broad-winged Hawk          636           4312          44410
Red-tailed Hawk             13            202           2891
Rough-legged Hawk            0              0             68
Golden Eagle                 0              2             68
American Kestrel             1             16            444
Merlin                       1             12             80
Peregrine Falcon             0              3             12
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              0              1

Total:                    1422           8539          93277
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Observation start time: 08:00:00 
Observation end   time: 17:00:00 
Total observation time: 9 hours

Official Counter:        David Brown

Observers:        Dave Wheeler, John Heidecker, Kim Steininger

Visitors:
40, including a class field trip from SUNY ESF


Weather:
Some morning clouds then mostly sunny with cumulus clouds developing. Winds
moderate from the southwest became variable in direction as the wind
battled it out with a lake breeze. Eventually the wind settled into a
westerly direction, then eventually had some north in it that sent us to
the South Lookout at 4pm (3pm EST). Very warm with temperatures reaching
91F!

Raptor Observations:
A steady flight for most of the day with over 600 each of Turkey Vulture
and Broad-winged Hawk. Good Bald Eagle day with 84. Smaller numbers of
other species including 11 harriers. The flight was very high but mostly
overhead or slightly to the sides. In the mid-afternoon we lost the flight
line inland, and at the south lookout we picked up a light to moderate
flight at scope distance inland for the final two hours.

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

Non-raptor Observations:
113 total bird species today: https://ebird.org/tripreport/525162

North Lookout: Common Gallinule, Sandhill Crane, 2 Red-headed Woodpeckers,
Alder Flycatcher, 1,940 Blue Jays, SEDGE WREN, Orchard Oriole, 22 Baltimore
Orioles, 16 species of warbler including 5 Blackpoll Warblers and a
Wilson's Warbler, 15 Scarlet Tanagers, 6 Rose-breasted Grosbeaks, 8 Indigo
Buntings.
https://ebird.org/checklist/S341982706

South Lookout: 2 Wild Turkeys, Killdeer, Blue-winged Warbler.
https://ebird.org/checklist/S341983369

New species for season: Alder Flycatcher, Sedge Wren, Blackpoll Warbler,
Wilson's Warbler

Predictions:
TOMORROW: Mostly cloudy then partly cloudy. A stray thunderstorm possible.
High 82F. Winds WSW at 5-10mph. Overnight songbird migration should be good
again, leading into a good non-raptor morning flight, and at least a
moderate raptor flight.

WEDNESDAY: Morning showers then partly cloudy. Cooler. High 61F. Winds W at
10-20mph. Probably South Lookout. Perhaps a bit of a cleanup flight. Expect
light to moderate migration.

THURSDAY:Sunny. High 58F. Winds NNW at 10-15mph. South Lookout. Expect
light to moderate migration.
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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/3860/20260518

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Posting Address: [email protected]
Sightings: Please submit your observations to eBird at http://www.ebird.org.
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