Wisconsin Bats

There are about 40 species of bats in the United Sates. Most are insect eaters. Wisconsin has seven species of bats, all of them insect eaters.


Silver-Haired Bat

The Silver-Haired Bat is black with silver fur on it's back. It lives in the wooded areas of Wisconsin.

Silver Haired Bat

Red Bat

The Red Bat is often found living in trees during the summer.

The red bat has reddish fur. If you're not careful, the red bat is easy to miss. It can look like a dead leaf!

Red bats can be seen flying in the early evening and enjoy eating moths.

Red Bat

Hoary Bat

The Hoary Bat is one of the largest bats in the United States. It has dark-yellowish fur with bits of white.

It likes to make a home in evergreen trees. Like the red bat, it eats moths.

Hoary Bat

Pipistrelle

The Pipistrelle is Wisconsin's smallest bat. It's body is about three inches long and it has a wingspan of about seven inches.  

Pipistrelle

Little Brown Bat

The Little Brown Bat is the most common bat found in Wisconsin. It is often found in hollow trees and buildings during the summer.

In winter it flies to the nearest cave or abandoned mine to hibernate. The Little Brown Bat is the one most likely to get inside houses.

Little Brown Bat

Eastern Long-ear

The Eastern Long-ear bat looks a lot like the little brown bat. It's fur is not as shiny as the little brown bat.


The Eastern Long-ear prefers to live in abandoned mines and small caves. It enjoys eating insects.

Eastern Long Ear

Big Brown Bat

Big Brown Bats can be often found in attics and behind shutters of houses. They will also "hang out" in hollow trees.

When winter comes they will find caves, old mines or buildings to hibernate.

Big Brown Bat