2. 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
3. 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
4. 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.
5. 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!
6. 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!
8. 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.
9. Endangered Status
Little brown bats are not considered
endangered
They also have no conservation
status.
Little Brown bat endangered
10. Significance to humans
These voracious insectivores help control
pest insect populations, and also serve as
bio-indicators.
12. Range and habitat
The little brown bat's range is a large
portion of North America from Alaska to
Labrador, south into central Mexico.
13. 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.
