6 Types of Bats in Arkansas

Yes, Arkansas hosts at least 14 bat species, though only about half are commonly encountered. Most sightings happen near caves, bridges, water bodies, and forest edges during summer evenings. Size, ear shape, wing pattern, and fur color are your main ID tools. Start at well-known spots like Blanchard Springs Caverns or Buffalo National River where evening bats gather reliably. The key to ID success is matching your location (cave vs. bridge vs. forest edge) to the species likely there, then watching flight behavior and silhouette rather than getting caught up in fine details from far away.

T

By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 27, 2026.

5
species recorded
March, June, April
peak months

Verified species, source iNaturalist

6 types of bats recorded in Arkansas

6 bat species have a verified observation record in Arkansas across bats (order Chiroptera), each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.

  • Tri-coloured Bat (Perimyotis subflavus), a species recorded in Arkansas1

    Tri-coloured Bat

    Perimyotis subflavus

    116 recordsNative

    Public domain CC0

    Wikipedia
  • Big Brown Bat (Eptesicus fuscus), a species recorded in Arkansas2

    Big Brown Bat

    Eptesicus fuscus

    87 recordsNative

    Public domain CC0

    Wikipedia
  • Eastern Red Bat (Lasiurus borealis), a species recorded in Arkansas3

    Eastern Red Bat

    Lasiurus borealis

    79 recordsNative

    Kristof Zyskowski CC BY

    Wikipedia
  • Evening Bat (Nycticeius humeralis), a species recorded in Arkansas4

    Evening Bat

    Nycticeius humeralis

    25 recordsNative

    Lauren McLaurin CC BY

    Wikipedia
  • Rafinesque's Big-eared Bat (Corynorhinus rafinesquii), a species recorded in Arkansas5

    Rafinesque's Big-eared Bat

    Corynorhinus rafinesquii

    13 records

    Public domain CC0

    Wikipedia
  • Gray Bat (Myotis grisescens), a species recorded in Arkansas6

    Gray Bat

    Myotis grisescens

    12 recordsNative

    Hila Taylor CC BY

    Wikipedia

Plus 10 more recorded only rarely (fewer than 10 verified sightings). Counts from verified iNaturalist observations. Photos by iNaturalist observers, reused under the licence each observer chose.

Real sighting data, source iNaturalist

512 verified observations on iNaturalist of bat have been recorded in Arkansas, most often in March, June, April.

Yes, Arkansas hosts at least 14 bat species, though only about half are commonly encountered. Most sightings happen near caves, bridges, water bodies, and forest edges during summer evenings. Size, ear shape, wing pattern, and fur color are your main ID tools. Start at well-known spots like Blanchard Springs Caverns or Buffalo National River where evening bats gather reliably. The key to ID success is matching your location (cave vs. bridge vs. forest edge) to the species likely there, then watching flight behavior and silhouette rather than getting caught up in fine details from far away.

What are the most common bats in Arkansas?

The most frequently encountered bats in Arkansas are the big brown bat, eastern red bat, Brazilian free-tailed bat, evening bat, and little brown bat. Big brown bats are medium-sized with a wingspan up to 13 inches and often roost in buildings and bridge crevices. Eastern red bats have a distinct rusty red color and hang solo from tree branches, rarely roosting with others. Brazilian free-tailed bats gather in large, sometimes massive colonies under bridges, especially in the Ozarks and along riverine corridors.

In Arkansas, bat 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.

Where in Arkansas do people usually spot bats first?

Bats are most often seen near water and roosting sites. Top spots include the Buffalo National River area (excellent for big brown and northern bats), Blanchard Springs Caverns (gray bats when in season), and the many bridges over the Arkansas River. Evening walks along forest trails near ponds or streams also yield good odds. Check theArkansas wildlife hubfor more local spots.

Most misses happen when people arrive at the wrong hour or expect nonstop activity. Build around where in the state people usually notice them first, keep one backup area in mind, and use theanimal facts pageplustour planning ideasto compare what a realistic outing looks like in Arkansas. If movement slows, stay longer at one promising spot, listen for calls or watch for edge movement, and reset around weather, light, water, or feeding changes instead of jumping to a totally new area too early.

When is the best time to see bats in Arkansas?

The best season is late spring through early fall (May to September). Bats emerge at dusk, so the hour after sunset is prime time. In winter, most bats hibernate in caves, making above-ground sightings rare. For reliable identification, focus on June and July when pups are flying and insect activity is high.

See ourstate animal guidefor the next step.

How can you identify a bat by its flight pattern?

Big brown bats fly straight and steady, often at treetop height, with deliberate wingbeats. Eastern red bats are erratic and fluttery, dipping down to catch insects with quick turns. Brazilian free-tailed bats are fast and direct, flying high in open spaces with rapid wing beats. Evening bats hover and flutter near edges. Little brown bats have a more zigzag pattern. Watch for these patterns to narrow down the species before you try to see facial details.

What are the key ID markers for Arkansas bats?

Focus on three things: size (wingspan and body length), ear shape (rounded or pointed), and fur color. Big brown bats have blunt, rounded ears and brown fur. Eastern red bats have a white belly patch and reddish coat. The evening bat looks similar to little brown but has a more pointed, visible tragus (the inner ear flap). Little brown bats have a duller brown color and smaller ears. Indiana bats (endangered) have a pinkish nose and keeled calcar (the spur extending from the ankle). For a full ID guide, visit thebat animal hub.

How do you separate similar looking bat species?

The evening bat and big brown bat are often confused because they have similar sizes. Check the ear: evening bats have a short, pointed tragus, while big brown bats have a longer, more blunt one. Similarly, the little brown bat and Indiana bat look alike; look at the calf hair: little brown bats have sparse hair on the feet, Indiana bats have more. The eastern red bat stands out with its reddish color and solitary behavior (never in big groups). When in doubt, note the location and flight behavior first, then compare ear and fur details on photos later.

Arkansas bat species by habitat preference?

Caves and rock formations attract gray bats, Indiana bats, big brown bats, and little brown bats during hibernation or maternity roosting. Bridges and structures host Brazilian free-tailed bats in massive colonies, plus some big brown and evening bats. Forest canopies and tree roosts favor eastern red bats (solitary hangers), plus northern bats and Seminole bats in the southern tier. Open water and shorelines draw Brazilian free-tailed and evening bats during foraging. Knowing which habitat you are in cuts your species list in half before you even look up.

Are there any rare or endangered bats in Arkansas?

Yes, the Indiana bat and gray bat are federally endangered and found in Arkansas. The Indiana bat has a distinct pinkish nose and a keeled calcar; it prefers caves and bridges for roosting. Gray bats are larger with a uniform gray color and roost almost exclusively in caves, rarely seen outside them. If you see large colonies in caves (sometimes thousands), they might be gray bats, but report sightings to the Arkansas Game and Fish Commission to confirm. The Ozark big-eared bat is also rare and found only in a few northwestern Arkansas caves. Never handle any bat, especially endangered species.

Show your bat appreciation with gear from Easy Street Markets

Once you've identified your first Arkansas bat, celebrate with some bat-themed gear. TheCute Bat Stickeris a fun way to mark your field journal. For a comfortable field shirt, try theBat Animal Short-Sleeve T-Shirtor theBaby Bat Cartoon T-Shirt. These make great conversation starters on the trail. Browse morebat t-shirtsfor other designs.

Frequently asked questions about Arkansas bats?

**Do Arkansas bats carry rabies?** Yes, like any wild mammal, but less than 1% of bats have rabies. Avoid handling bats. **Can I attract bats to my yard?** Installing a bat house can attract local species, especially near water sources. **What is the largest bat in Arkansas?** The big brown bat, with a wingspan up to 13 inches. **When do bats hibernate?** From November to March in caves. **How many bats roost under a single bridge in Arkansas?** Brazilian free-tailed colonies can number in the hundreds or thousands under a single structure, especially in the Ozarks. For more, visit theArkansas wildlife guide.

See ourtour planning ideasfor the next step.

Gear and field guides

Frequently asked questions

What are the most common bats in Arkansas?+

The most frequently encountered bats in Arkansas are the big brown bat, eastern red bat, Brazilian free-tailed bat, evening bat, and little brown bat. Big brown bats are medium-sized with a wingspan up to 13 inches and often roost in buildings and bridge crevices. Eastern red bats have a distinct rusty red color and hang solo from tree branches, rarely roosting with others. Brazilian free-tailed bats gather in large, sometimes massive colonies under bridges, especially in the Ozarks and along riverine corridors. In Arkansas, bat 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.

Where in Arkansas do people usually spot bats first?+

Bats are most often seen near water and roosting sites. Top spots include the Buffalo National River area (excellent for big brown and northern bats), Blanchard Springs Caverns (gray bats when in season), and the many bridges over the Arkansas River. Evening walks along forest trails near ponds or streams also yield good odds. Check theArkansas wildlife hubfor more local spots. Most misses happen when people arrive at the wrong hour or expect nonstop activity. Build around where in the state people usually notice them first, keep one backup area in mind, and use theanimal facts pageplustour planning ideasto compare what a realistic outing looks like in Arkansas. If movement slows, stay longer at one promising spot, listen for calls or watch for edge movement, and reset around weather, light, water, or feeding changes instead of jumping to a totally new area too early.

When is the best time to see bats in Arkansas?+

The best season is late spring through early fall (May to September). Bats emerge at dusk, so the hour after sunset is prime time. In winter, most bats hibernate in caves, making above-ground sightings rare. For reliable identification, focus on June and July when pups are flying and insect activity is high. See ourstate animal guidefor the next step.

How can you identify a bat by its flight pattern?+

Big brown bats fly straight and steady, often at treetop height, with deliberate wingbeats. Eastern red bats are erratic and fluttery, dipping down to catch insects with quick turns. Brazilian free-tailed bats are fast and direct, flying high in open spaces with rapid wing beats. Evening bats hover and flutter near edges. Little brown bats have a more zigzag pattern. Watch for these patterns to narrow down the species before you try to see facial details.

What are the key ID markers for Arkansas bats?+

Focus on three things: size (wingspan and body length), ear shape (rounded or pointed), and fur color. Big brown bats have blunt, rounded ears and brown fur. Eastern red bats have a white belly patch and reddish coat. The evening bat looks similar to little brown but has a more pointed, visible tragus (the inner ear flap). Little brown bats have a duller brown color and smaller ears. Indiana bats (endangered) have a pinkish nose and keeled calcar (the spur extending from the ankle). For a full ID guide, visit thebat animal hub.

How do you separate similar looking bat species?+

The evening bat and big brown bat are often confused because they have similar sizes. Check the ear: evening bats have a short, pointed tragus, while big brown bats have a longer, more blunt one. Similarly, the little brown bat and Indiana bat look alike; look at the calf hair: little brown bats have sparse hair on the feet, Indiana bats have more. The eastern red bat stands out with its reddish color and solitary behavior (never in big groups). When in doubt, note the location and flight behavior first, then compare ear and fur details on photos later.

Arkansas bat species by habitat preference?+

Caves and rock formations attract gray bats, Indiana bats, big brown bats, and little brown bats during hibernation or maternity roosting. Bridges and structures host Brazilian free-tailed bats in massive colonies, plus some big brown and evening bats. Forest canopies and tree roosts favor eastern red bats (solitary hangers), plus northern bats and Seminole bats in the southern tier. Open water and shorelines draw Brazilian free-tailed and evening bats during foraging. Knowing which habitat you are in cuts your species list in half before you even look up.

Are there any rare or endangered bats in Arkansas?+

Yes, the Indiana bat and gray bat are federally endangered and found in Arkansas. The Indiana bat has a distinct pinkish nose and a keeled calcar; it prefers caves and bridges for roosting. Gray bats are larger with a uniform gray color and roost almost exclusively in caves, rarely seen outside them. If you see large colonies in caves (sometimes thousands), they might be gray bats, but report sightings to the Arkansas Game and Fish Commission to confirm. The Ozark big-eared bat is also rare and found only in a few northwestern Arkansas caves. Never handle any bat, especially endangered species.

Frequently asked questions about Arkansas bats?+

**Do Arkansas bats carry rabies?** Yes, like any wild mammal, but less than 1% of bats have rabies. Avoid handling bats. **Can I attract bats to my yard?** Installing a bat house can attract local species, especially near water sources. **What is the largest bat in Arkansas?** The big brown bat, with a wingspan up to 13 inches. **When do bats hibernate?** From November to March in caves. **How many bats roost under a single bridge in Arkansas?** Brazilian free-tailed colonies can number in the hundreds or thousands under a single structure, especially in the Ozarks. For more, visit theArkansas wildlife guide. See ourtour planning ideasfor the next step.