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Eastern Red Bat, Lasiurus borealis borealis

LABO

Echolocation: Typical Lasiurine pattern of oscillating calls, curvilinear fish hook shape fluctuating minimum frequency (~35-40K). Due to the similarity of their echolocations calls, files characteristic of these species were combined and identified as LASEBO.  Some calls can be confused with NYHU

Florida Distribution:  northern two thirds of peninsula.

Roosting Behavior: Solitary.   Often hang from foliage of deciduous trees mimicking dead leaves        

Foraging Behavior: Often emerges early in the evening.  Mostly moths. Also beetles, leaf & plant hoppers, ants and flies

Reproduction: Mate in fall, 1-4 pups born late May - mid June.  In FL, pups & adults with pups often found grounded June & July.

Management and Conservation Recommendations:  Education programs aimed at the public as well as preservation of forested lands particularly deciduous forests & oak hammocks with an abundance of Spanish moss will help protect these and other bat species.  

Species accounts with sample Anabat files and range maps will be added in the future, so please check back

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Urban Bat Status

Buildings
BatHouses

No

No

Status

FWS / USGS
Florida
FNAI
IUCN

none

Common  / SNR

G5

LC

Description—Measurements

Mass g

FA mm

Wingspan

Total length

Tragus

Calcar

9 – 22  (avg.: 10-12)

35 - 47

290 - 332

90 -123

Small, blunt

 

Long fur, with frosted appearance. Tail membrane completely furred above. White markings on  shoulders & wrists. color ranges from bright orange - yellow-brown.  Males much brighter than females. Female LABO & LASE sometimes confused LABO is brighter red with lighter tail and wing membranes.  Lasiurus is the only bat genus with four nipples