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​Brazilian free-tailed bat

Common name:  Brazilian free-tailed bat
Scientific name:  Tadarida brasiliensis
Family: Molossidae
Picture
Photo by Jerry L. Gingerich, D.V.M.
Description:  The short fur varies in color from dark brown to grayish-brown.  Like other bats in the family Molossidae the tail extends well beyond a short tail membrane.  The upper lips have vertical wrinkles.  Long stiff hairs protrude from the toes and extend beyond the claws.  The Brazilian free-tailed bat has a scent gland that emits a musky odor.  A colony of these bats can be recognized from a distance by the odor alone.  The odor is often mistakenly thought to come from the bat guano.
Wingspan:               11-13 inches
Body length:           2.2-2.9 inches
Weight:                     0.4-0.5 ounces
Florida roosting preferences:  Colonial.  This species forms large colonies ranging from a few hundred to several thousand.  It roosts almost totally in man-made structures, primarily, buildings and bridges.  It particularly likes to roost under barrel tile roofs.  This is the most likely species to move into bat houses in Florida.
Food preferences:  Insectivorous.  Feeds on moths, flies and beetles.
Reproduction:  Females give birth to a single pup, in early June. 
Florida status:  Common.  This is likely Florida's most abundant bat. 
Florida range:  The Brazilian free-tailed bat is found throughout Florida, except the Florida Keys.
Note:  This species is commonly referred to as the Mexican free-tailed bat in the western United States.
​
Copyright Florida Bat Center 2005
© Copyright 2020 Florida Bat Conservancy
  • Home
  • News
  • Bat Facts
  • Bats of Florida
    • Big brown bat
    • Seminole bat
    • Tricolored bat
    • Gray myotis
    • Northern yellow bat
    • Velvety free-tailed bat >
      • Eastern red bat
    • Brazilian free-tailed bat >
      • Evening bat
    • Florida bonneted bat
    • Hoary bat
    • Southeastern myotis
    • Accidental species
  • Rafinesque's big-eared bat
  • Bat Habitat
  • Bat Houses
  • Bats in Buildings
  • Library
    • Echolocation
    • Excluding bats from buildings >
      • Book
    • Backyard Bat Houses
    • Community Bat Houses >
      • University of Florida
      • Hickory Mound
      • Phipps Water Mgmt. Area
      • Culvert Bat House
      • Tallahassee
      • Florida A&M University
      • Lower Suwannee River
      • Spirit of the Suwannee
    • The University of Florida Bat House
    • Don't plug that hole!
    • Bats found on the ground
  • Links
  • Volunteer
  • Contact Us
  • About Us
  • Bat Rescue
  • Florida Wildlife Commission Regional Offices
  • Bat House Builders
  • Bat Programs