Bats in Vermont: identification guide and where to start looking
Vermont is home to nine bat species, though several are rare or endangered. The most commonly seen are the little brown bat, big brown bat, and eastern red bat. Look for them at dusk near water or forest edges. This guide covers key ID features and where to spot them.
Vermont is home to nine bat species, though several are rare or endangered. The most commonly seen are the little brown bat, big brown bat, and eastern red bat. Look for them at dusk near water or forest edges. This guide covers key ID features and where to spot them.
1. Which bat species are most common in Vermont?
The little brown bat (Myotis lucifugus) and big brown bat (Eptesicus fuscus) are the ones you are most likely to see. The little brown bat has a uniform brown coat and a wingspan of 8 11 inches. The big brown bat is larger, with a wingspan up to 13 inches and a more useful body. The eastern red bat (Lasiurus borealis) is also fairly common; males are brick red and females are slightly duller. It roosts in trees rather than buildings.
In Vermont, bats sightings usually improve when you slow down and match your first stop to the most useful ID markers and likely lookalikes. Use thestate wildlife huband theroute guideto narrow your first area, then check access, weather, and distance before you settle in. A short walk with one clear viewing plan often beats covering too much ground, especially when habitat changes fast from open edges to brush, wetlands, timber, shoreline, or neighborhood cover.
2. How can you tell little brown bats from big brown bats?
Size is the best clue. Big brown bats are noticeably bigger, with a forearm length over 1.5 inches. Little brown bats have a forearm under 1.5 inches. The fur of little brown bats is glossy and dark brown, while big brown bats have coarser, lighter brown fur. Also check the face: big brown bats have a broader, more dog like snout. Both species have similar flight patterns, so size difference is key during emergence.
3. Where in Vermont do people usually see bats first?
Start near water. Ponds, lakes, and slow moving rivers attract insects, which bring bats. Look for them at dusk flying over open water or along tree lines. The Champlain Valley and around Lake Champlain are reliable spots. Also try state parks likeGroton State Forestor theGreen Mountain National Forest. Barns and old buildings may host roosts, but avoid disturbing them.
See ourstate animal guidefor the next step.
4. What is the best time of year for confident bat sightings?
Late spring through early fall is prime time. Bats emerge from hibernation in April or May and are active until October. The best window is from mid June to early August, when pups are learning to fly and insect activity peaks. Evening emergence starts about 30 minutes after sunset. Bring a red flashlight to avoid disturbing them.
5. What does an evening bat emergence look like?
At dusk, bats stream out of roosts in a steady, spiraling flow. Little brown bats often emerge from buildings or bat houses in groups. Big brown bats come out individually or in small clusters. Watch for erratic, fluttering flight patterns as they chase insects. A single roost can release hundreds of bats, so if you see a few at first, more may follow.
6. Are there any lookalike species that confuse beginners?
The northern long eared bat (Myotis septentrionalis) looks nearly identical to the little brown bat but has longer ears that extend beyond the nose when laid forward. It is endangered in Vermont and very rare. The tri colored bat (Perimyotis subflavus) is smaller, with pinkish forearms and a tri colored fur pattern (dark base, light band, dark tip). These are unlikely to be seen due to severe population declines.
8. Bat themed apparel and gear for your next outing
Show your bat appreciation with these field tested picks:
### Cute Bat Sticker
A fun way to decorate your gear or notebook. Durable vinyl.Check Price and Availability
### Bat Animal Short-Sleeve T-Shirt
Comfortable cotton tee with a realistic bat graphic. Great for field trips.Check Price and Availability
### Baby Bat Cartoon T-Shirt
A playful design for bat fans. Soft blend fabric.Check Price and Availability
For more bat themed items, check out ouranimal shirts collection.
9. Frequently asked questions about Vermont bats
**Do all Vermont bats hibernate?** Most species do. Little brown bats hibernate in caves and mines, while big brown bats often use buildings. **Are Vermont bats dangerous?** No. Bats avoid humans and rabies is rare; never handle a bat with bare hands. **How can I help bat conservation?** Install a bat house away from your home. Learn more at/animals/bat. **What should I do if I find a bat inside?** Open a window and close doors. Let it leave on its own. If it doesn't, call a wildlife rehabilitator.
See ourtour planning ideasfor the next step.