Bats in Colorado: Identification Guide and Where to Start Looking
Yes, bats are common in Colorado, with 19 species recorded statewide. Your best starting point is to look near water sources or rocky canyons during warm summer evenings at dusk. This guide covers key ID markers, best seasons, and realistic spotting locations.
Yes, bats are common in Colorado, with 19 species recorded statewide. Your best starting point is to look near water sources or rocky canyons during warm summer evenings at dusk. This guide covers key ID markers, best seasons, and realistic spotting locations.
What are the most useful ID markers for Colorado bats?
Focus on flight pattern, size, and ear shape. Colorado bats range from the 3-inch wingspan of the western pipistrelle to the 15-inch hoary bat. Look for erratic, fluttering flight (unlike birds). Check ear length: long-eared myotis have ears extending past the nose. Fur color varies from dark brown to reddish or pale. For more detailed ID tips, check ourbat identification hub.
In Colorado, 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.
Where in Colorado are you most likely to see bats?
Start with riparian corridors (Platte River, Arkansas River), canyon walls, and foothills of the Rockies. Popular spots include Roxborough State Park, Manitou Lake, and the Colorado National Monument. Urban areas with old trees or bridges also host bats. For a broader view of Colorado wildlife, visit ourColorado wildlife page.
What is the best season and time of day for bat sightings?
Peak activity runs from May through September, with warm evenings above 50°F. Best viewing window is 15–30 minutes after sunset, especially near water where insects swarm. Maternity colonies emerge earlier. Winter bats hibernate in caves; you won't see them unless you venture into mines or caves (not recommended).
See ourstate animal guidefor the next step.
How can you tell bats apart from birds or other lookalikes?
Bats have a distinctive erratic, circling flight with rapid wingbeats - no gliding like swallows. At dusk, their silhouette shows small ears and a short tail. They rarely flap continuously; they twist and dive. Nighthawks have a longer, pointed wings and a white wing bar. Bats also appear more 'fluttery' and change direction abruptly.
What are the most common bat species in Colorado?
The big brown bat (Eptesicus fuscus) is widespread, with a 13-inch wingspan and dark brown fur. The little brown myotis (Myotis lucifugus) is smaller (9-inch wingspan) and often roosts in buildings. Mexican free-tailed bats (Tadarida brasiliensis) form large colonies in southern Colorado. Hoary bats (Lasiurus cinereus) are tree-roosting with frosted fur.
What should you do if you find a bat indoors or on the ground?
Never handle a bat with bare hands; even grounded bats can bite. Open windows or doors and darken the room - most will leave on their own. If it stays, contact a licensed wildlife rehabilitator. For a bat on the ground, use gloves and a container to move it to a high branch. Rabies risk is low but real.
Where can you find bat-themed gear to show your appreciation?
After you've had a great spotting session, you might want to celebrate your interest with some quality bat gear from Easy Street Markets. Here are a few top picks:
### Cute Bat Sticker
A durable vinyl sticker perfect for laptops, water bottles, or field notebooks.Check Price and Availability
### Bat Animal Short-Sleeve T-Shirt
A comfortable, everyday shirt with a realistic bat graphic.Check Price and Availability
### Baby Bat Cartoon T-Shirt
A playful design for a lighter look. Also makes a fun gift.Check Price and Availability
Browse our fullbat t-shirt collectionfor more options.
Do bats in Colorado hibernate?
Yes, most Colorado bats hibernate in caves, mines, or rock crevices from November to March. Some species like the big brown bat may use buildings for winter torpor. During hibernation, they lower their heart rate and body temperature. If you disturb a hibernating bat it can use critical energy stores, so avoid cave visits in winter.
Can you attract bats to your property in Colorado?
Yes, installing a bat house in a sunny spot north of your garden can help. Put it 12–20 feet high on a pole or building, away from lights and near a water source. Plant night-blooming flowers to attract insects. Bat houses work best in areas with existing bat activity. Check local regulations before installing.
See ourtour planning ideasfor the next step.