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Society
poses danger to red-headed woodpecker count
January 14, 2001
Only one red-headed woodpecker was
reported during the Woodland Dunes 2000 winter bird count. Never
common in the area, half a dozen or so are reported year after
year during the summer bird counts. Other areas where the birds
are more common report that numbers are diminishing. This is
being blamed on loss of suitable habitat and frequent road kills.
All too frequently the only red-headed woodpeckers seen are dead
along the roadside. this is probably due to their feed habits
in summer.
A common foraging technique is to
swoop off a perch and pursue insects, which often ends in a low
maneuver over a busy road. As traffic increases in number and
speed, the red-headed birds are more frequently victims. Loss
of habitat is generally considered the most serious problem.
Because of their habit of hawking insects in the air, they need
open space, well supplied with snags.
Stands of timber killed by fire,
livestock flood or disease are especially attractive. These colorful
birds favor edge habitat with an open canopy and isolated dead
trees for nesting. Much of this type of landscape has been converted
to farms and subdivision, with manicured landscapes.
Given a choice, redheads seem to
prefer to forage on dead rather than live trees. The furrowed
bark of oaks provide a surface for insects to hide. Logs lying
and decaying are an important source of food. Oaks also provide
food in the form of acorns. Called "mast" acorns and
beech nuts provide a supply of food for over-wintering birds.
Even though a habitat includes mast
providers, these trees are not dependable in their supply. Mast
years may occur only every two to five years and even these intervals
may be influenced by weather. Red-heads are adaptable, if the
supply isn't available they head south. where there is an abundant
mast crop the birds may be found in numbers as they were a few
years ago in the southeastern corner of Manitowoc County where
birders found them during the winter bird count.
during a good mast year it has been
reported that redheads, usually family groups, set up small territories
one per bird, and store acorns, other similar nuts and even grasshoppers
in their territories. Later in the winter they relax, defend
their territories and may even add to restore their caches. They
have also been observed covering their stores with slivers of
wood torn from the snags or hammering them into the deep furrows
of the oak trees, frustrating the less able bird "thieves".
Those that return in the spring or
have passed the winter successfully set up housekeeping in a
hollow, often previously excavated by other species of woodpeckers.
Their calls, a high pitched "queerk" and a rolling
repeated "kwurr kwurr" are welcome sounds, and seeing
them swoop down from some roadside telephone pole, a flash of
red and white and glossy black, makes on resolve to leave any
and all dead snags.
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