CONNECTICUT BATS

Connecticut is home to nine species of bat

Click below or scroll down to learn more about each of the species present in Connecticut.

See the species

"Indiana bats" by U.S. Fish and Wildlife Service - Midwest Region is marked with CC PDM 1.0

"Northern long-eared bat" by U.S. Fish and Wildlife Service - Midwest Region is licensed under CC BY 2.0

Big brown bat

One of the larger bat species occurring in North America with a broad range, but locally at risk and listed as a Species of Greatest Conservation Need in Connecticut due to white-nose syndrome

Little brown bat

A small insectivorous and cave-hibernating species highly impacted by white-nose syndrome and listed as Endangered and a Species of Greatest Conservation Need in Connecticut

Northern long-eared bat

A forest-dependent species listed as federally Threatened and Endangered in Connecticut due to severe impacts of white-nose syndrome and habitat loss

Species

Eastern small-footed bat

Already considered rare in its range, this species of small bat is currently being heavily impacted by white-nose syndrome, deforestation, and oil and gas development activities, causing it to be listed as Endangered and a Species of Greatest Conservation Concern in Connecticut

Indiana bat

A small cave-hibernating bat and the most at-risk species in Connecticut, listed as Endangered and a Species of Greatest Conservation Concern in Connecticut and federally Endangered, due to both white-nose syndrome and limited habitat availability

Tri-colored bat

The longest-hibernating bat occurring in North America and the species considered to be most impacted by white-nose syndrome, this species is listed as Endangered and a Species of Greatest Conservation Need in Connecticut, while also being considered for listing under the Endangered Species Act

Silver-haired bat

A tree-hibernating species not impacted by white-nose syndrome but whose dependence on Old Growth forests in Connecticut has led to it being listed as a Special Concern species and a Species of Greatest Conservation Need in the state

Eastern red bat

A species easily identifiable by its bright coloration and representing the most abundant tree bat in North America, but a Special Concern Species and Species of Greatest Conservation need in Connecticut due to habitat loss

Hoary bat

The most widespread species across the Americas and an occasional bat-eater, this species is a solitary, migratory tree-roosting bat threatened by habitat loss and wind turbines and is currently listed as Special Concern Species and a Species of Greatest Conservation Need in Connecticut