Little brown bat

Little brown bat

Order : Chiroptera
Family : Vespertilionidae
Subfamily : Vespertilioninae
Species : Myotis lucifugus


Keywords: brown

The Little brown bat is listed as Least Concern (LR/lc), lowest risk. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category, on the IUCN Red List of Threatened Species

Namings for the little brown bat
A young / baby of a little brown bat is called a 'pup'. A little brown bat group is called a 'colony or cloud'.
Some facts about the
Little brown bat

Adult weight : 0.01 kg (0.022 lbs)

Maximum longevity : 34 years

Female maturity :210 days

Male maturity : 210 days

Gestation : 55 days

Weaning : 25 days

Litter size : 1

Interval between litters : 365 days

Weight at birth : 0.002 kg (0.0044 lbs)

Body mass : 0.006 kg (0.0132 lbs)

Source: AnAge, licensed under CC

Facts about the little brown bat

Arizona little brown myotis (Myotis lucifugus occultus) roosting in tree bark (#9 of 10) The little brown myotis (Myotis lucifugus) is abundant throughout forested areas of the U.

Description Little brown bats are distributed widely throughout North America and are most common in the northern half of the United States and southern Canada.

Habits and Habitats Little brown bats are insectivorous, eating a variety of insects including some agricultural pests.

little brown bat is a small mammal with a body length of 3 - 31/2" and weighing approximately 1/8 to 1/2 an ounce.

Little brown bats are often found roosting in houses and seen darting over head at dusk in neighborhoods across Canada and most of the United States.

Myotis lucifugus is found statewide, and readily roosts in buildings.


Other than humans, bats are the longest lived mammals in North America; one little brown bat (Myotis lucifugus) is at least 34 years old.

Size-specific resource partitioning among juvenile little brown bats (Myotis lucifugus): Is there an ontogenetic shift?

Some people think that Little Brown Bats are hideous with long, sharp teeth.

When a Little Brown Bat is hunting, they scan all the area around them.

The Little brown bat is small with moderately long ears and pointed tragus. (Full text)

The little brown myotis, Myotis lucifugus, is a small bat that is widespread throughout most of the contiguous United States, Canada, and Alaska. (Full text)

Little brown bats are migratory, and most of the individuals that hibernate in Kentucky caves probably go farther north for the summer. (Full text)

The little brown bat is brownish. (Full text)

Like all Illinois bats, little brown bats are strictly insectivorous and consume large quantities of night- flying insects. (Full text)

The little brown bat is a small mammal, measuring 80-95mm (3. (Full text)

Furthermore, the orientation beam of the Myotis lucifugus is not the typical sonic beam, but is emitted as part of the electromagnetic spectrum falling generally in the range of the extreme ultraviolet. (Full text)

Little Brown Bats are insectivore eating mostly flying insects. (Full text)

The Little Brown Bat is one of the 15 species of bats found in Tennessee. (Full text)

Size-specific resource partitioning among juvenile little brown bats (Myotis lucifugus): Is there an ontogenetic shift? (Full text)

Since little brown bats are insectivores, these maternity colonies may be found near a body of water where ample insects will be found. (Full text)

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