Fly By Night, Inc. is recognized by the IRS as a Section 501(c)(3) non-profit / tax-exempt organization.

Donations are tax-deductible and all donated funds directly support our bat conservation efforts.  CH12360

 

All content on this sites are property of Fly By Nigh, Inc, and not to be duplicated for use without  written permission

NEW

View Our Live BatHouse Cam

Live streaming courtesy of camstreams.com

Text Box: Home

Who We Are

Text Box: Firm

Text Box: Experts

Text Box: Publications

Text Box: Clients

Text Box: Spot-Light

What We Do

Text Box: Research

Text Box: Management

Text Box: Rescue

Text Box: Education

Text Box: Bat Houses

Free Info

Text Box: Facts &Trivia

Text Box: Books, Etc.

Text Box: Species Info

How To Help

Text Box: Wish List

Text Box: FBN Friends

Text Box: Guest Book

Take A Peek

Text Box: Live BatCam

Text Box: PhotoGallery

Text Box: Contact Us

Big-brown Bat, Eptesicus fuscus fuscus & E.f. osceolus

EPFU

Echolocation: Steady 25-30k. fish-hook shaped slope.  Sometimes confused with TABR

Florida Distribution:  Peninsular FL

Foraging Behavior: Urban areas & pine forests, Prefer beetles (Coleoptera), also wasps, ants, flies & moths.

Roosting Behavior: Colonial.  Males sometimes solitary.  Documented in buildings, bridges, culverts,   and other structures, Often associated with TABR.  Also tree cavities, beneath loose bark & snags.  Documented in buildings in SW peninsula & NW panhandle; radio-tracked to pine snags     in central FL.  (Finn, unpublished). Intolerant of disturbance   A common nuisance bat N of FL,  less common in FL structures; seems to prefer trees.

Reproduction: Mate in fall & winter; Twins born May - June.

 Management and Conservation Recommendations : EPFU acoustic files were recorded during surveys in FL, GA and SC.    Education programs aimed at the public, management that preserves pine and other snag trees and installation of bat houses & IPM practices that focused on management will    contribute to the conservation of this and other bat species. (see also TABR below)

Status

FWS / USGS
Florida
FNAI
IUCN

none

Rare, S3

G5

LC

Description—Measurements

Mass g

FA mm

Wingspan

Total length

Tragus

Calcar

16 – 19*

42 - 51

325 - 350

99 -129

Curved, blunt

keeled

Dark brown - reddish brown, hairs dark at base, Very similar in a to the smaller NYHU

 

(* as high as ~30g if pregnant or preparing for hibernation)

Urban Bat Status

Buildings
BatHouses

yes

yes