HSR: Holiday Beach [22 Sep 2002] Raptor counts (total=2737)

reports at hawkcount.org reports at hawkcount.org
Sun Sep 22 19:06:12 EDT 2002

Holiday Beach Migration Observatory
Essex County, ON, Canada
Daily Raptor Counts: Sep 22, 2002

Species            Day's Count    Month Total   Season Total
------------------ ----------- -------------- --------------
Turkey Vulture               2             36             36
Osprey                       4             54             54
Bald Eagle                   3              6              6
Northern Harrier            39            161            161
Sharp-shinned Hawk         591           2430           2430
Cooper's Hawk               12             20             20
Northern Goshawk             0              1              1
Red-shouldered Hawk          0              1              1
Broad-winged Hawk         1836           2935           2935
Red-tailed Hawk             12             34             34
Rough-legged Hawk            0              0              0
Golden Eagle                 0              1              1
American Kestrel           233           1039           1039
Merlin                       2             55             55
Peregrine Falcon             2             14             14
Unknown                      1              2              2

Total:                    2737           6789           6789

Observation start time: 06:00:00 
Observation end   time: 15:00:00 
Total observation time: 9 hours

Site Coordinator: Bob Hall-Brooks

Observers:        Dave Stimac, Dorothy McLeer, Tom Hince

Our Festival came to an end,
but many visitors became our friend, 
from over the river and over seas,
they came to see our birds and trees.

Well today we had it all,
Sun, cloud and some rainfall,
The temperatures at last were less,
and the winds were great out of the North West.

They said the Broad-wings passed last week,
but they know not of what they speak,
More than a thousand passed our way,
and other raptors made our day.

The autumn leaves begin to fall,
out in the marsh, the Sora call.
Some Hummers passed by in review,
while Waxwings flapped off into the blue.

If the North west winds remain the same,
they might say that the Broad-wings came,
But if the winds should turn about,
the outcome may remain in doubt.
Report submitted by Bob Hall-Brooks (bhall-brooks at cogeco.ca)
Holiday Beach Migration Observatory information may be found at:

Holiday Beach Migration Observatory

Information on southern Ontario\'s hawk migration and the Holiday Beach
Conservation Area site

Southwestern Ontario is largely an area of flat, featureless farmland. There
are only two geographic features of note in the region. One is the proximity
of the Great lakes, which influence bird migration in the area to a great
extent, The second is the shape of the province, roughly funnel-shaped with
the narrow end to the southwest. These features confine south-bound bird
migrants, especially hawks, to specific flight corridors.

Holiday Beach Conservation Area was formerly a Provincial Park, but is now
administered by the Essex Region Conservation Authority (ERCA). It is
strategically located at the extreme southwestern tip of southern Ontario.
The park is on the eastern end of a large freshwater estuary known as Big
Creek. (Specifically the site is 1.1 miles south of the junction Highway 20
(old 18) and Essex Road 50, Town of Amherstburg).

The Holiday Beach Migration Observatory (HBMO) (founded in 1986) is a
non-profit, volunteer organization formed to promote the study and
protection of migrating birds. Activities focus primarily on fall migration
of raptors and other species. This site is in Essex County, Ontario, on the
north shore of Lake Erie near the Detroit River. In 1988, HBMO persuaded
Detroit Edison to donate a 40 foot Hawk Tower which is now at the site.

Southwestern Ontario has a funneling effect on migrating raptors due to the
geography of the nearby lakes and the reluctance of most raptors to cross
large bodies of water. Birds gain altitude over the flat farmland to the
north and east, rising easily with the thermals that such areas provide in
abundance. As the birds head south they meet Lake Erie and, reluctant to
cross it , turn west. With appropriate wind and weather conditions, birds
pile up along the lake shore and move west until they reach the narrow
crossing at the Detroit River (or island hop within the river mouth).

reports at hawkcount.org

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