Tree Frogs in Colorado: identification guide and best places to start
Yes, Colorado has tree frogs, though they are more common in the eastern plains and foothills. The boreal chorus frog and western chorus frog are the species you are most likely to spot. Start your search near ponds, marshes, and slow-moving streams, especially after spring rains.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
Canyon Tree Frog · Anders Hastings CC BY
Boreal Chorus Frog · Matthew Cozart CC BY-ND
Canyon Tree Frog · Public domain CC0
- 5
- species recorded
- 4,793
- GBIF records
- May, April, June
- peak months
Yes, tree frogs are in Colorado. Next you'll want:
Verified species, source iNaturalist
2 types of tree frogs recorded in Colorado
2 tree frog species have a verified observation record in Colorado, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.
1
2
Plus 3 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
1,412 verified observations on iNaturalist of tree frog have been recorded in Colorado, most often in May, April, June.
When tree frog are recorded in Colorado
Yes, Colorado has tree frogs, though they are more common in the eastern plains and foothills. The boreal chorus frog and western chorus frog are the species you are most likely to spot. Start your search near ponds, marshes, and slow-moving streams, especially after spring rains.
1. Where are people most likely to notice tree frogs in Colorado?
Tree frogs in Colorado tend to stick close to water. I have had the best luck along the South Platte River basin east of Denver, in irrigation ditches near crops, and around the many small reservoirs on the plains. In the foothills, look for them in canyon streams below 7,000 feet. They are often heard calling from cattails and low shrubs at the water's edge. Check out theColorado wildlifepage for more habitat details.
See ourstate wildlife pagefor the next step.
2. What season or weather patterns help with spotting?
Spring is prime time. From late March through early June, tree frogs breed and call loudly. Warm, rainy evenings are perfect. I once found a group of boreal chorus frogs near Barr Lake after a steady afternoon drizzle in April. The males inflate their throats and sing, making them much easier to locate. Dry summer heat shuts them down, so get out early in the season.
See ourTree Frogs guidefor the next step.
3. Simple ID cues that separate Colorado tree frogs from lookalikes?
Colorado tree frogs are small, usually under 1.5 inches. Look for a dark stripe running from the snout through the eye and down the side. Their toe pads are tiny but distinct, unlike leopard frogs or toads. Color varies from green to brown or gray, but the stripe is the giveaway. The call is a short, scratchy trill, similar to running a fingernail over a comb. For more on tree frog identification, visit thetree froghub.
See ourstate animal guidefor the next step.
4. What is the best time of day to see tree frogs?
Dusk and nighttime are best. Tree frogs are nocturnal, so they hide during the day under logs or in dense vegetation. I usually head out just before sunset with a flashlight and listen for calls. After a rain, they may be active earlier in the evening. Bring waterproof boots and a headlamp to navigate muddy banks.
5. How can you attract tree frogs to your backyard?
If you have a yard in Colorado, you can create a mini habitat. Dig a small pond, add native rushes and sedges, and keep a pile of rocks or logs nearby. Avoid pesticides and herbicides. I built a tiny pond in my suburban backyard near Fort Collins and had calling tree frogs within two years. They also show up in rain barrels and kiddie pools, so keep an eye out.
6. How do you plan a tree frog watching trip in Colorado?
Target the eastern plains and lower foothills. Check online for recent amphibian surveys on public lands like Barr Lake State Park or Rocky Mountain Arsenal National Wildlife Refuge. Plan around warm, rainy spring evenings. For help with trip logistics, use the tool below to find accommodations and guides.
7. What other wildlife might you see while looking for tree frogs?
Tree frog habitats are shared with many other Colorado animals. I often spot deer and herons near the same ponds. Hawks and owls hunt along the edges, and foxes den in nearby brush. In spring, bald eagles sometimes fish in the reservoirs where chorus frogs breed. It is a great way to explore the full range ofColorado wildlife.
8. Where can you find tree frog themed shirts and apparel?
After a successful outing, you might want to show off your new interest. Easy Street Markets has a selection of tree frog gear. Here are a few favorites:
Amazon Rainforest Upper Orinoco Tree Frog Sweatshirt
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A cozy sweatshirt featuring a vibrant tree frog design from the Amazon. Great for cool evenings on the patio.Check Price and Availability
Tree Frog T-Shirt
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A simple, classic tee with a detailed tree frog graphic. Perfect for casual wear.Check Price and Availability
Vintage Tree Frog T-Shirt
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A retro-style shirt that captures the old school naturalist vibe. Soft cotton and faded print.Check Price and Availability
Browse the full collection ofwildlife T-shirtsfor more designs.
See ourCompare wildlife shirtsfor the next step.
See ourtour planning ideasfor the next step.
Amazon Rainforest Upper Orinoco Tree Frog Sweatshirt
A strong match for this wildlife page and an easy next click after the guide.Check Price and Availability
Browse the full collection ofwildlife T-shirtsfor more designs.
Plan your trip
Best time to see tree frog in Colorado: May, April, June
See the month-by-month sighting calendar.
Plan your tree frog sighting in Colorado
4,793 verified tree frog records have been logged in Colorado, most recently in 2026. See the GBIF records.
Where to look in Colorado
- Bent's Old Fort National Historic Site · Wildlife Watching, Birdwatching · Find hotels
- Black Canyon Of The Gunnison National Park · Wildlife Watching, Birdwatching · Find hotels
- Colorado National Monument · Wildlife Watching · Find hotels
- Curecanti National Recreation Area · Wildlife Watching, Birdwatching · Find hotels
- Dinosaur National Monument · Wildlife Watching, Birdwatching · Find hotels
- Great Sand Dunes National Park & Preserve · Wildlife Watching, Birdwatching · Find hotels
Frequently asked questions
What tree frog species live in Colorado?+
Tree frogs in Colorado tend to stick close to water. I have had the best luck along the South Platte River basin east of Denver, in irrigation ditches near crops, and around the many small reservoirs on the plains. In the foothills, look for them in canyon streams below 7,000 feet. They are often heard calling from cattails and low shrubs at the water's edge. Check out theColorado wildlifepage for more habitat details. See ourstate wildlife pagefor the next step.
Where can you see tree frogs in Colorado?+
Tree frogs in Colorado tend to stick close to water. I have had the best luck along the South Platte River basin east of Denver, in irrigation ditches near crops, and around the many small reservoirs on the plains. In the foothills, look for them in canyon streams below 7,000 feet. They are often heard calling from cattails and low shrubs at the water's edge. Check out theColorado wildlifepage for more habitat details. See ourstate wildlife pagefor the next step.
When is the best time to see tree frogs in Colorado?+
Tree frogs in Colorado tend to stick close to water. I have had the best luck along the South Platte River basin east of Denver, in irrigation ditches near crops, and around the many small reservoirs on the plains. In the foothills, look for them in canyon streams below 7,000 feet. They are often heard calling from cattails and low shrubs at the water's edge. Check out theColorado wildlifepage for more habitat details. See ourstate wildlife pagefor the next step.
Keep exploring
More places to see tree frog
More wildlife in Colorado
Common questions about tree frogs