Little Brown Bats

By Clement

Introduction

� The little brown bat is sometimes called little brown myotis.

� One of the most common bats in North America

� Species of the genus Myotis� Found throughout the world

Description

� As it's name suggests, its fur is dark brown and glossy

� Typical wingspan is 8.7-10.6 inches� Ears are small and black� All teeth are relatively sharp� Adult bats are typically 4.6-5.6 ounces

Distribution

� The little brown bat is found all over North America from northern Mexico to interior Alaska.

� It is the most abundant bat found in the United States.

Diet

� Little brown bats are insectivores, eating moths, wasps and mosquitoes.

� They ecolocate to find their prey� Often they use the same route every night.� An adult can sometimes fill their stomachs

in 15 minutes!

Life cycle

� Mating season is in the fall, but fertilization doesn't happen until spring.

� In the spring little brown bats form huge nursery colonies.

� The female little brown bat gives birth to only one baby. During birth, the female hangs right-side up!

Social Status

� The nursery colonies can get as big as 1000 bats in a cave/forest

Social system

� The little brown bat is colonial. � In the summer, females gather in nursery

colonies, � While males roost alone or in small

isolated colonies.

Endangered Status

� Little brown bats are not considered endangered

� They also have no conservation status.

Little Brown bat endangered

Significance to humans

� These voracious insectivores help control pest insect populations, and also serve as bio-indicators.

Hibernation

� Little brown bats hibernate in September and October, emerging in April - June.

Range and habitat

� The little brown bat's range is a large portion of North America from Alaska to Labrador, south into central Mexico.

Communication

� Chemical signals, produced by during the breeding season, play a primary role in the communication of the little brown bats.

� Tactile signals synchronize mating.

Picture!!!Go Bats!!!!!

Pictures!!!