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Overview
This area of Penn State's Stone Valley Experimental Forest had prime
woodcock habitat in the 1940s, when it was included in several major
studies of this species. A Game Commission biologist who experimented
with habitat management techniques drafted a woodcock management
plan for the University. The most recent study has focused on nesting
habitat, fall migration, and harvest characteristics. Today the
Charter Oak woodcock demonstration area is being managed to provide
woodcock with habitat requirements for breeding, nesting, and migration.
Points marked along the orange-blazed demonstration trail show suitable
cover types and management practices that enhance woodcock habitat.
The trail is less then 1 mile long. Leave about 45 minutes to walk
this trail.
Begin
This site consists
almost entirely of mature trees. A farm woodlot during the 1930s,
it probably never provided woodcock habitat. While unsuitable for
woodcock, the oak stand provides food and cover for squirrels, turkey,
and other forest wildlife. In the next ten years, some of the timber
will be cut for commercial sale. With the felled trees no longer
using water, the water table in this lowland site will rise. This
change will benefit woodcock and other shrub-wetland wildlife species.

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Old
Farm Field
The large white
pine and spindly hawthorns suggest that this site formerly was a
farm field. The rock pile to the left of the trail near Point 3
is further evidence of farming. No doubt the rocks were removed
to make cultivation easier. After the farm was abandoned in the
1930s, hawthorns and other shrubs invaded the field, providing ideal
woodcock habitat. Then trees gradually replaced the shrubs. By removing
all trees over 20 feet tall, this area could be made suitable for
woodcock again, because the additional sunlight would encourage
hawthorns and other shrubs to grow.

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Feeding
and Cover
This site was
an open field 30 years ago. Alder and dogwoods planted at that time
still stand about 20 feet beyond the sign. The hawthorns and winged
sumacs on this site probably sprouted from seeds deposited by birds.
The shrubby vegetation growing in fertile, moist soil filled with
earthworms provides ideal feeding and resting cover for woodcock.
The birds feed mainly at twilight and dawn, when earthworms, their
preferred food, are likely to be near the soil surface. They may
eat twice their weight in earthworms during a 24 hour period. They
also feed on slugs and insect larvae under the leaf litter. As you
walk along the trail, especially in fall and winter, look for bright
red highbush cranberry fruits, wild grape vines, and smooth alders
which provide food for wildlife.

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Old
Farmstead
The mature apple
tree behind the signand other apple trees in the area are about
all that remains of the farm that once occupied this site. Like
so many farms abandoned in the 1930s, it was prime woodcock habitat.
Old fields, alder, and dogwood thickets along with young hardwoods
and moist soils provided food, cover, nesting sites, and singing
grounds for the birds. but tree species such as red maple, ash,
and elm gradually invaded the unmanaged site. As the habitat became
less desirable for woodcock,
populations declined.

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Singing
Grounds
This site, formerly
an old field forest similar to the woods at Point 2, was clearcut
in the summers of 1988 and 1989. All large trees and shrubs were
removed to allow regrowth of vegetation preferred by woodcock and
other shrub-wetland animals. In a few years, the area will be covered
with a dense growth of young tree seedlings interspersed with clumps
of grey dogwood and hawthorn. The moist earth beneath this vegetation
should supply plenty of earthworms and make this site ideal habitat
for woodcock. The western third of the clearcut, to the right of
the sign, was limed in 1990 to provide less
acidic conditions favorable for earthworm production. Portions of
the clearcut should remain relatively open for many years, providing
singing grounds for male woodcock to engage in their acrobatic courtship
rituals. Singing males can be observed in this location as early
as the first week in March. In the spring of 1990, at least six
different woodcock were observed singing and spiraling skyward.
In 1992, five were observed.

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Deer
Exclosure
The wire exclosures
were erected to protect shrub growth from deer browising , evident
on both sides of the trail. The small curcular exclosures are an
inexpensive, low-maintenance way to help desireable vegetation get
established.

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Development
This site has
been a nesting area for many years. Female woodcock prefer to nest
near brushy edges adjjacent to male singing sites. They nest on
the ground in shallow depressions lined with leaves. The breeding
season in Pennsylvania extends from the first week in March to the
third week in May. Egg laying starts during the second week in March,
with most females laying four eggs. The uncubation period is 19
to 22 days, and 70 percent of the eggs hatch during the last two
weeks in April and the first week in May. Offspring are ready to
leave the nest as soon as they hatch. They can fly short distances
at two weeks and are almost full grown at four weeks.

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Shrub
Release
This site has
been a nesting area for many years. Female woodcock prefer to nest
near brushy edges adjacent to male singing sites. They nest on the
ground in shallow depressions lined with leaves. The breeding season
in Pennsylvania extends from the first week in March to the third
week in May. Egg laying starts during the second week in March,
with most females laying four eggs. The uncubation period is 19
to 22 days, and 70 percent of the eggs hatch during the last two
weeks in April and the first week in May. Offspring are ready to
leave the nest as soon as they hatch. They can fly short distances
at two weeks and are almost full grown at four weeks.

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