Species Day's Count Month Total Season Total
Black Vulture 0 0 0
Turkey Vulture 85 303 303
Osprey 2 11 11
Bald Eagle 0 25 25
Northern Harrier 7 135 135
Sharp-shinned Hawk 40 1774 1774
Cooper's Hawk 3 16 16
American Goshawk 0 0 0
Red-shouldered Hawk 0 0 0
Broad-winged Hawk 272 4691 4691
Swainson's Hawk 0 0 0
Red-tailed Hawk 1 36 36
Rough-legged Hawk 0 0 0
Golden Eagle 0 0 0
American Kestrel 6 237 237
Merlin 1 8 8
Peregrine Falcon 0 3 3
Unknown Accipiter 0 4 4
Unknown Buteo 2 13 13
Unknown Falcon 1 6 6
Unknown Eagle 0 0 0
Unknown Raptor 2 21 21
Observation start time: 08:00:00
Observation end time: 15:00:00
Total observation time: 7 hours
Official Counter: Michael Patrikeev
Observers: Ben Sehl, Jerry Jourdan, Mark Hainen, Rosemary Brady
Visitors:
We welcome visitors to our site by the boat launch in Lake Erie Metro Park.
We are willing to spread the word with pamphlets and information cards,
along with tips on raptors identification. Let us share our enthusiasm for
this miracle of nature with you.
Weather:
A low pressure system, moving through the Lower Peninsula, brought much
needed rain and somewhat cooler temperatures to the count area. Overcast,
but there were sun-breaks in late morning and early afternoon. The wind was
blowing steadily from the north-west quarter, reaching 7-11 mile per hour
(11-14 km/hr). Temperature rose to 70 F (+21C) in mid-afternoon.
Raptor Observations:
Several kettles of Broad-winged Hawks were seen between 10 AM and 1 PM
giving us a hope that perhaps today is the day, and the Broad-wings will
finally stream over Detroit River in huge numbers, darkening the sky. Alas,
it was not the case, and we ended up with 272 counted. Turkey Vultures were
on the move in the morning, and we logged 85. The trickle of Sharp-shinned
Hawks almost dried up for no apparent reason. If yesterday, they flew in
groups of two or four, the majority seen today seemed to travel along;
forty were counted, as well as several kestrels and harriers. A Merlin
chasing a swallow was sighted overhead. Migration slowed down after 1 PM,
as if our birds were grounded by weather elsewhere.
Non-raptor Observations:
Flocks of Blue Jays are moving through the area; today, we counted 809,
half the number seen in the preceding days. We also spotted a small raft of
American Coots (40-45) and several Wood Ducks.
Predictions:
Northeasterly winds and cooler temperatures, forecasted for tomorrow, may
bring the long-awaited kettles of Broad-winged Hawks ... or, it may not. We
are beginning to wonder if the bulk of Broad-wings, traditionally migrating
over Detroit River in tens of thousands, somehow bypassed us and the
neighboring Holiday Beach this year. If that is true, September 2024 will
go down in history as the lowest hawk count at this site since 1996.
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Report submitted by Erika Van Kirk (erika_vankirk@fws.gov)
Detroit River Hawk Watch information may be found at:
http://www.detroitriverhawkwatch.org
More site information at hawkcount.org: https://hawkcount.org/siteinfo.php?rsite=285