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  • Home
  • Florida Bat Species
    • Big brown bat
    • Brazilian free-tailed bat
    • Eastern red bat
    • Evening bat
    • Florida bonneted bat
    • Gray bat
    • Hoary bat
    • Northern yellow bat
    • Seminole bat
    • Southeastern bat
    • Tricolored bat
    • Rafinesque's big-eared bat
    • Velvety free-tailed bat
  • Get Involved
  • Annual Meeting 2025
  • Citizen Science
  • Current Events
    • Outreach Events
    • News Feed
  • Resources & Education
  • Professional Portal
  • Contact Us
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Florida Bat Species

Evening bat (Nycticeius humeralis)

Picture
Description: Evening bats are small, darkly colored bats. Their fur is typically dark brown but may also have a reddish tint. Juveniles have very dark fur (nearly black). This species resembles the brown bat in overall appearance, but is smaller in size.

​Roosting behavior: Evening bats utilize a variety of roost sites, both natural and manmade. are found throughout the state of Florida, except in the Florida Keys. They use a variety of natural and manmade roosts and form colonies from just a few to ~70 individuals. They often roost with Brazilian free-tailed bats and sometimes with Southeastern bats.

At a glance:

Measurements
Categories
Wingspan: 260-280 mm (10 inches)
Family: Vespertilionidae
Body length: 49-67 mm (2 and 1/4 inches)
Florida occurrence: Resident
Total length: 81-105 mm (3 and 1/2 inches)
Florida status: Common
Forearm length: 33-39 mm
Roosting behavior: Colonial
Weight: 6-12 g
Regional classification: Temperate
Bats of Florida by
Cynthia S. Marks and George E. Marks; Sep 26, 2006
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