Little Brown Bat
Size: 6cm to 10cm
Wingspan: 20cm to 30cm
Though beneficial to the environment, the little brown bat can be an extremely messy pest, causing considerable damage to the structure of a building and potentially transmitting diseases through their excrement called guano. Before a bat infestation becomes uncontrollable, it is important to have a plan.
Little Brown Bat Habitat
Little brown bats are not territorial—they live in colonies numbering in the hundreds of thousands of individuals. Colonies aggregate at nesting sites called roosts. There are several different types of roosts that serve different purposes—day and night roosts provide habitat for bats when they are sleeping or resting. Hibernacula are a type of roost that is occupied in the winter months. Little brown bats choose buildings, caves, trees, rocks, and wood piles as roost sites.
Little Brown Bat Life Cycle
Little brown bats live an average of six to seven years, although some have been known to survive past 10 years. The bats’ ability to find food in many areas and use various places as roosts allows them to survive changing conditions and climates. Males generally live longer than female bats. A little brown bat is most likely to perish during its first winter since younger bats weigh less than adults and have less fat stored. In addition, disturbances during hibernation such intrusions by humans can sometimes cause mortality.
Little Brown Bat Prevention
Carefully examine your home for holes that might allow bats entry into your living quarters. Caulk any openings larger than a quarter-inch by a half-inch. Use window screens, chimney caps, and draft-guards beneath doors to attics, fill electrical and plumbing holes with stainless steel wool or caulking, and ensure that all doors to the outside close tightly.
Bat Service Prep Guide
There are many things that should be done to prepare for a bat treatment. For the full list of ways to make your bat treatment successful, view our Bat Service Preparation Guide.
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