Little Brown Bats by ClementPresentation Transcript
Little Brown Bats
The little brown bat is sometimes called
little brown myotis.
One of the most common bats in North
Species of the genus Myotis
Found throughout the world
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
The little brown bat is found all over North
America from northern Mexico to interior
It is the most abundant bat found in the
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!
Mating season is in the fall, but
fertilization doesn't happen until spring.
In the spring little brown bats form huge
The female little brown bat gives birth to
only one baby. During birth, the female
hangs right-side up!
The nursery colonies can get as big as
1000 bats in a cave/forest
The little brown bat is colonial.
In the summer, females gather in nursery
While males roost alone or in small
Little brown bats are not considered
They also have no conservation
Little Brown bat endangered
Significance to humans
These voracious insectivores help control
pest insect populations, and also serve as
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.
Chemical signals, produced by during the
breeding season, play a primary role in
the communication of the little brown bats.
Tactile signals synchronize mating.