Myotis lucifugus
©Merlin D. Tuttle, Bat Conservation International

Little Brown Myotis

Myotis lucifugus

Description: Body length of 3 1/8" to 3 3/4", wingspan about 11". Glossy brown fur above, paler below.Medium length ears

Range: Across much of North America, as far north as Alaska.

Habitat: Roosts by day in rock crevices, caves, buildings, wood piles.

Diet: Flies, moths, beetles, bugs and other small flying insects. Can catch hundreds of mosquitoes per hour.

Behavior: The most common bats in the U.S. Bears a single young each year, forms nursery colonies of up to about 1000 bats, in buildings. Hibernates in caves, mine tunnels, or other secluded sites. Emerges at dusk to forage near bodies of water. Can live up to 33 years in the wild.

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Bats Of San Diego County