INVENTORY OF BAT COMMUNITY COMPOSITION AT GETTYSBURG NATIONAL MILITARY PARK AND EISENHOWER NATIONAL HISTORIC SITE
Technical Report NPS/NER/NRTR--2006/052
James A. Hart
Although the fauna
of Pennsylvania has been studied extensively across much of the state
it has only recently been investigated in NPS properties such as the Gettysburg
National Military Park and the Eisenhower National Historic Site. This
study was initiated to predict and determine the bat communities within
both park units and to generate recommendations that would ensure that
adequate habitat exists for these species without impacting the historical
significance of both sites. To that end, six sites were surveyed over
the course of 12 nights for a total of 45 netnights and resulted
in the capture of 55 bats of four species. The most common species captured
were the little brown (Myotis lucifugus) and big brown (Eptesicus
fuscus) bats. The preponderance of both species captured were females,
which may indicate that several maternity colonies exist within the confines
of the parks. The information gathered during this study, coupled with
that of previous Resource Manager, Dr. Bert Frost, demonstrates that of
the nine species that could possibly occur within GETT/EISE six have recently
been captured, including the red bat, Lasiurus borealis, hoary
bat, L. cinereus, eastern pipistrelle, Pipistrellus subflavus,
and northern long-eared bat, M. septentrionalis, and another has
been radio tracked (the federally endangered Indiana bat, M. sodalis)
within the vicinity of the parks during spring migration.
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