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Big brown bat

​Common name:  Big brown bat
Scientific name:  Eptesicus fuscus
Family: Vespertilionidae
Picture
Photo by Jerry L. Gingerich, D.V.M.
​Description:  The fur is long, silky and varies in color from Chocolate-brown to reddish- or golden-brown.  The ears and wing membranes are dark brown to nearly black.  The big brown bat is similar in appearance to the evening bat, but is larger in size.
Wingspan:         13-14 inches
Body length:     2.1-3.2 inches
Weight:               0.4-0.8 ounces
Florida roosting preferences:  Colonial.  Dead tree cavities provide the normal roosting habitat for this bat, but one colony was found roosting in the base of a royal palm leaf stem in south Florida.  They also move into  buildings, bridges and bat houses.
Food preferences:  Insectivorous.  They feed on beetles, planthoppers, true bugs, flies, mosquitoes, flying termites, flying ants and a number of other insects.
Reproduction:  Females usually give birth to two pups in may or June.
Florida status: Uncommon in north and central Florida.  Rare in south Florida.
Florida range:  Found throughout the state except the Florida Keys.
 
Copyright Florida Bat Conservancy 2005
© Copyright 2020 Florida Bat Conservancy
  • Home
  • News
  • Bat Facts
  • Bats of Florida
    • Big brown bat
    • Seminole bat
    • Tricolored bat
    • Evening bat
    • Gray myotis
    • Northern yellow bat
    • Velvety free-tailed bat >
      • Eastern red bat
    • Brazilian free-tailed 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