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Bat protection increased during spring and summer

As spring commences and young wildlife of all species are born, everyone’s favorite flying, furry mammal also begins roosting season. Ideally, bats will find shelter in trees, caves, abandoned buildings, and bat houses, but sometimes they end up in a home.  I receive calls often about how to best remove or exclude a group of bats living in an attic or garage. While there are countless benefits (most notably, efficient insect control) to having bats in one’s landscape or neighborhood, most people prefer they not share their own home with them. However, due to their slow reproductive cycle and declining populations in the United States, it is illegal in Florida to prevent bats from returning to any roosting location from April 16 to August 14.  Female bats typically give birth during maternity season to one pup (or rarely, two), which will cling to the mother’s fur to nurse for their first few weeks and months of life. Being nocturnal, this means mothers and babies will be inside a dwelling during the day.  Typically, if a homeowner is trying to exclude bats from a home, they will put up netting or seal up a hole in an attic entry in the evening after bats have flown off to feed on insects at night. However, if this is done during roosting season, young bats left back in the roost while mothers are hunting can get trapped inside a building and will not survive.

A rare set of twin Seminole bat pups with their mother. Photo credit: Carrie Stevenson

A rare set of twin Seminole bat pups with their mother. Photo credit: Carrie Stevenson

This obviously has the potential to cause conflict between homeowners and the bat population. The Florida Fish & Wildlife Conservation Commission has regulatory oversight for bat-related issues, and they will work with citizens to arrange a positive outcome for both the property owner and the animals involved.

Bat populations are declining in North America due to a devastating disease called white-nose syndrome and loss of habitat.  However, you can help these fascinating animals by installing a bat house in your yard.  Keep in mind that bats attracted to bat houses prefer to be in open areas away from trees (where their predators hide), and the house should be installed at least 12 feet in the air.  Bat houses can be purchased or built rather simply—keep an eye out for Extension workshops near you, or visit this UF Wildlife Ecology publication or Bat Conservation International’s website for simple instructions.

To learn more about bats and how to help them, visit this website or contact me or your local County Extension office!

PG

Author: Carrie Stevenson – ctsteven@ufl.edu

Coastal Sustainability Agent, Escambia County Extension

Carrie Stevenson

Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2014/04/22/bat-protection-increased-during-spring-and-summer/