Derby Hill Bird Observatory
Mexico, New York, USA
Daily Raptor Counts: Mar 28, 2025
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Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 2 2
Turkey Vulture 367 10936 10936
Osprey 3 11 11
Bald Eagle 0 165 165
Northern Harrier 2 141 141
Sharp-shinned Hawk 3 339 339
Cooper's Hawk 1 217 217
American Goshawk 0 1 1
Red-shouldered Hawk 3 713 713
Broad-winged Hawk 0 0 0
Red-tailed Hawk 15 1070 1070
Rough-legged Hawk 0 47 47
Golden Eagle 0 50 50
American Kestrel 3 55 55
Merlin 1 12 12
Peregrine Falcon 0 5 5
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
Total: 398 13764 13764
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Observation start time: 08:00:00
Observation end time: 16:00:00
Total observation time: 8 hours
Official Counter: David Brown
Observers: Andy Saunders, Brandon Brogle, Dave Wheeler, David Barber,
Kennedy Sullivan
Visitors:
13, including Hawk Mountain trainees.
Weather:
Light northerly winds so the count started at the south lookout. Some sun
through the late-morning then becoming overcast and damp. A switch to south
winds at 2pm EST sent us to the north lookout for the rest of the day with
winds shifting to a light southeast.
Raptor Observations:
A nice cleanup flight in the morning of a few hundred Turkey Vultures.
Red-tails were next most numerous with fifteen. Small numbers of other
expected migrants. The bulk of the flight line was close to the south
lookout, with a smaller flight line further inland. Few migrants after the
switch to the north lookout, but a late-day Merlin gave a nice look.
Derby Hill 2025 Daily Summary Videos:
https://www.youtube.com/playlist?list=PLB8baxseGlb44fA7Uio0ifcrbLjT2-GE7
Non-raptor Observations:
North Lookout morning: Mute Swan, 7 White-winged Scoters, 9 Great Blue
Herons, Belted Kingfisher.
https://ebird.org/checklist/S221264401
South Lookout: Killdeer, 6 Wilson's Snipes, 2 Common Loons, 7 Great Blue
Herons, 2 Purple Finches, Eastern Meadowlark, 6 Tree Swallows.
https://ebird.org/checklist/S221405582
North Lookout: 2 Great Blue Herons, 6 Tree Swallows.
https://ebird.org/checklist/S221404464
No new species for season.
Predictions:
TOMORROW: Rain. Thunder possible. Temps in the mid to upper 30s. Winds N at
5-10mph. Chance of rain 90%. Unfavorable conditions. Expect minimal
migration. Count may be shortened or canceled.
SUNDAY: Occasional rain. High 57F. Winds ESE at 10-15mph. Chance of rain
80%. Decent winds but rain may prevent a flight. Will take another look
tomorrow.
MONDAY: Rain. Morning high of 59F with temps falling to near 45F. Winds SW
at 10-20mph. Southerly winds but rain may prevent a flight again.
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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
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