© Serah Rose Roth
© Serah Rose Roth

Bats are truly remarkable animals as well as our only flying mammals. Unfortunately their unwarranted reputation has prevented many people from appreciating how beneficial and unique they are. Get the facts about bats—their appearance, life cycles, behaviors, and roles in healthy ecosystems. Read more >

The two most common bats found in Massachusetts are the Little Brown Bat (Myotis lucifugus) and the Big Brown Bat (Eptesicus fuscus), but the state hosts a total of nine bat species. Get to know them >

By the Numbers: Bats

By the Numbers: Bats

Don't let tales of the vampire, blood-sucking variety of bat found in folklore scare you off from learning about this most benevolent creature. Get the facts >

iNaturalist for bats

Report Bat Sightings

If you have a computer or smartphone, you can report bat sightings through iNaturalist and help conservation efforts! Find out how >

Take 5: Bats

Take 5: Beneficial Bats

Bat on a tree © David McChesney
© David McChesney

It's estimated that an individual bat can eat 600 mosquitoes an hour! Here are some great photos to celebrate these beneficial critters. Read blog post >