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Eastern Pipistrelle, Perimyotis subflavus floridanus & P.s.subflavus

PISU in SC box culvert 2004

PISU

Echolocation: : ~ 40K, short regular scoop.  Most calls are distinct & easily recognized.

Florida Distribution:  Statewide except keys

Roosting Behavior: Colonial.  Males sometimes solitary, Vegetation, Spanish moss, cavity trees,, caves, abandoned or seldom used structures, culverts & bridges.   Summer day roosts are little known.  Sometimes found roosting in open rooms of abandoned buildings, where they hang pendant from the ceiling.  Hibernate in warm caves:  58 - 64 F.  Documented roosting in culverts and structures during FBN  surveys in FL, GA and SC.

                          Uses bat houses? Yes, but only of special design                Nuisance colonies? Rarely

 

Foraging Behavior: emerges early in evening.  Forages along waterways and forest edges.  Small insects, leaf & plant hoppers, beetles, flies and small moths.

Reproduction: Mate late fall, twins born May-June

Management and Conservation Recommendations:  Education programs aimed at the public, land conservation, preservation of mature forested areas (particularly oak hammocks and forested wetlands),  snag trees and protection of culverts that are occupied by roosting bats will contribute to the conservation of this and other bat species.

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Urban Bat Status

Buildings
BatHouses

Yes*

Yes*

Status

FWS / USGS
Florida
FNAI
IUCN

none

Common, SNR

G5

LC

Description—Measurements

Mass g

FA mm

Wingspan

Total length

Tragus

Calcar

4.7 - 6.3

31 - 36

208 - 258

71 - 95

blunt

not keeled

Tricolored hairs, gray to yellowish color, anterior 1/3 of inter femoral membrane  furred Wing bones noticeably darker than membrane. Smallest bat east of Mississippi River