Little Brown Bat Species Report

Little Brown Bat

Myotis lucifugus

Little brown bats, also known as little brown myotis, are among the most common bats in North America. It is a small brown bat that is difficult to distinguish from other myotis species. They are nocturnal insectivores and are commonly seen hunting insects just after dusk, especially near water bodies.


Little brown bats are rather small creatures. They are 7-10 cm (2.8-3.9 inches) long and have a wingspan of 22-27 cm (8.7-10.6 inches). They typically weigh around 10 grams (0.35 ounces). Their fur is dark brown on the upper parts and slightly paler on the belly. The wings and tail lack fur and are also dark brown…

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