Species Day's Count Month Total Season Total
Black Vulture 0 0 0
Turkey Vulture 5 3869 59672
Osprey 0 0 24
Bald Eagle 0 9 76
Northern Harrier 0 13 366
Sharp-shinned Hawk 1 119 6503
Cooper's Hawk 0 3 42
Northern Goshawk 0 0 0
Red-shouldered Hawk 0 106 424
Broad-winged Hawk 0 0 21973
Swainson's Hawk 0 0 0
Red-tailed Hawk 21 1337 2952
Rough-legged Hawk 0 1 2
Golden Eagle 4 38 53
American Kestrel 0 0 1068
Merlin 0 10 59
Peregrine Falcon 1 4 60
Unknown Accipiter 0 0 0
Unknown Buteo 0 0 1
Unknown Falcon 0 0 0
Unknown Eagle 0 0 0
Unknown Raptor 0 0 0
Observation start time: 09:00:00
Observation end time: 15:00:00
Total observation time: 6 hours
Official Counter: Andrew Sturgess, Kevin Georg
Observers: Bill Perigord, Kevin Georg, Patrick Mulawa
Visitors:
Tomorrow is the day that the road to the site is being repaired. Park in
the museum parking lot and take the boardwalk to the boat launch.
Weather:
It looked like a pleasant day until something evil came our way and we
retreated in the face of purple clouds and severe weather warnings. The
winds grew throughout the day, climbing to over fifteen mph with some to
spare. Our site was strangely calm since we were sheltered almost
completely from the turmoil. The white horses were running free on the lake
and even up the river by Celeron Island. One had only to look at the birds
to see that the winds were having an effect on them as their heads were
pointed in one upwind direction but they were swept sideways on the
current. Temperatures reached over sixty until the cold front reached us
and knocked them down a little. The early skies showed little evidence of
threat with high cirrocumulus and cirrostratus clouds in attractive shapes
dominating until the leading edge of the advancing front reached us. The
barometer dropped every hour, reaching a low in the 29.6 inHg range. It
will begin a very gradual rebound tomorrow, taking a few days to reach
north of 30 inches again.
Raptor Observations:
As is now our custom, we got off to a roaring start with zero birds in the
first hour. It was going to be a difficult day to begin with, facing a
stiff wind ushering the birds out of sight. We did manage to have a little
run during the second and third hours before the winds became irresistible.
Turkey vultures decided to sit this one out for the most part with only
five showing up. Red-tailed hawks are still moving but I think we only
caught the edge of the movement in the early hours and nothing later on. We
ended with twenty-one birds on the day. Only one sharp-shinned hawk was
seen, flying sideways. This species is usually buffeted by high winds and
today was no exception. One peregrine falcon was noted as it crossed the
water to the south of us. We managed to keep our run of golden eagles going
with four birds, all subadults. This was the one bird that seemed to have
the power to hold up in the wind but the one that flew over us was still
working hard to stay on course. The others were down low in the tree line
to the north and only provided glimpses as they passed.
Non-raptor Observations:
The Bonaparteâs gulls provided the afternoonâs entertainment since no
raptors could be seen. They finally came close to our site, perhaps because
of the choppy water further out towards the river.
Another horned grebe was seen today, also a pied-billed grebe. Not many
crows were seen today, and not counting the plentiful tree swallows, except
for the few raptors we noted, the skies were fairly empty.
Predictions:
Robust SW winds will continue tomorrow in the low to mid-teens range. The
barometer will rebound up to the 29.8 inHg. It looks like cloud cover will
be fairly extensive, although the strong winds and turbulence may make
forecasting difficult. There is a small chance of rain. Although I hope to
see some interesting birds, the SW winds will be pushing any migrants to a
place where we cannot see them easily. The temperatures will crack fifty
degrees again but cooler days are coming as the forties loom in the coming
days.
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Report submitted by Andrew Sturgess (ajyes72@gmail.com)
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
Count data submitted via Dunkadoo - Project info at:
https://dunkadoo.org/explore/detroit-river-international-wildlife-refuge/detroit-river-hawk-watch-fall-2021