Date: 10/10/19 3:54 am
From: <reports...>
Subject: [birders] Detroit River Hawk Watch (09 Oct 2019) 2038 Raptors
Detroit River Hawk Watch
Brownstown, Michigan, USA
Daily Raptor Counts: Oct 09, 2019

Species Day's Count Month Total Season Total
------------------ ----------- -------------- --------------
Black Vulture 0 0 0
Turkey Vulture 1957 23772 24263
Osprey 1 3 33
Bald Eagle 3 7 58
Northern Harrier 2 37 211
Sharp-shinned Hawk 18 829 2907
Cooper's Hawk 7 36 47
Northern Goshawk 0 0 0
Red-shouldered Hawk 10 23 23
Broad-winged Hawk 3 538 64336
Swainson's Hawk 0 0 0
Red-tailed Hawk 34 130 245
Rough-legged Hawk 0 0 0
Golden Eagle 0 1 1
American Kestrel 0 67 640
Merlin 0 3 19
Peregrine Falcon 3 18 33
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

Total: 2038 25464 92817

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

Official Counter: Kevin Georg

Observers: Andrew Sturgess, Don Sherwood, Rosemary Brady

Johannes was out on work release from Ann Arbor and helped us looking in
the high blue sky for birds. It was a difficult day to show birds as the
line changed as the day progressed and even the pros were having to work
hard to find high and distant birds.

The only thing that seemed to have changed at the site this morning was the
calendar. A benign wind from the NE became too light in the early hours and
less benign as it strengthened and blew from the east in the afternoon.
Wind is the engine that drives migration and each site has favorable winds
that increases their chances of seeing raptors. Our chances decreased as
the wind increased and the birds took shortcuts over the lake in a very
tough sky to follow them.

Raptor Observations:
Turkey vultures are Miss October; they were hard to see today but we
managed 1957. We are starting to see more buteos with 34 red-tails, 10
red-shouldered, and 3 broad-winged hawks. The sharpies tailed off today
with only 18 spotted, 7 Cooper's hawks flew by as they are on the move. 1
peregrine was spotted, the only falcon of the day. We counted 1 osprey. 3
bald eagles were counted, alas, no golden today.

Non-raptor Observations:
We didn't see as many blue jays today but winds may have pushed them
elsewhere. The monarchs were having a good day on a wind that they liked.
Probably a 4-500 day. We did see one thing that none of us had never seen
before; a double-crested croaked at another one. The first sound we had
heard from that species. A young white-crowned sparrow landed on the
breakwall in front of us.

Can you say ditto? More easterly winds but less so. More sun and temps in
the high sixties. The raptor movements will probably be the same. Hopefully
the decreased wind speeds will bring the birds back directly over the site.
Report submitted by Jerry Jourdan (<jerry.jourdan...>)
Detroit River Hawk Watch information may be found at:

More site information at
Count data submitted via Dunkadoo - Project info at:

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