Frogs in Montana: Spotting Guide and Best Places to Start

Frogs are widespread across Montana, especially in wetlands, ponds, and slow-moving streams. The boreal chorus frog and Columbia spotted frog are the most common species you'll encounter. Your best odds come on warm spring evenings after a rain.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.

Columbia Spotted Frog photographed in Montana

Columbia Spotted Frog · Hugo Innes CC BY

American Bullfrog photographed in Montana

American Bullfrog · Cole Wolf CC BY

Northern Leopard Frog photographed in Montana

Northern Leopard Frog · Matt D'Agrosa CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Peak season right now
8
species recorded
August, July, June
peak months

Verified species, source iNaturalist

10 types of frogs recorded in Montana

10 frog species have a verified observation record in Montana, each with at least 10 confirmed sightings. The full list, ranked by how often each is recorded, is below.

1 of the 10 shown is recorded as introduced to Montana rather than native.

  • Columbia Spotted Frog (Rana luteiventris), a species recorded in Montana1

    Columbia Spotted Frog

    Rana luteiventris

    843 recordsNative

    John G. Phillips CC BY

    Wikipedia
  • Western Toad (Anaxyrus boreas), a species recorded in Montana2

    Western Toad

    Anaxyrus boreas

    798 recordsNative

    Public domain CC0

    Wikipedia
  • Woodhouse's Toad (Anaxyrus woodhousii), a species recorded in Montana3

    Woodhouse's Toad

    Anaxyrus woodhousii

    263 records

    Shalana Gray CC BY

    Wikipedia
  • Northern Leopard Frog (Lithobates pipiens), a species recorded in Montana4

    Northern Leopard Frog

    Lithobates pipiens

    248 records

    Liz Smith CC BY

    Wikipedia
  • Great Plains Toad (Anaxyrus cognatus), a species recorded in Montana5

    Great Plains Toad

    Anaxyrus cognatus

    133 records
  • Rocky Mountain Tailed Frog (Ascaphus montanus), a species recorded in Montana6

    Rocky Mountain Tailed Frog

    Ascaphus montanus

    108 recordsNative

    Public domain CC0

    Wikipedia
  • Boreal Chorus Frog (Pseudacris maculata), a species recorded in Montana7

    Boreal Chorus Frog

    Pseudacris maculata

    107 recordsNative

    James Telford CC BY

    Wikipedia
  • Pacific chorus frog (Pseudacris regilla), a species recorded in Montana8

    Pacific chorus frog

    Pseudacris regilla

    55 records

    brentnmoran CC BY-SA

    Wikipedia
  • American Bullfrog (Lithobates catesbeianus), a species recorded in Montana9

    American Bullfrog

    Lithobates catesbeianus

    54 recordsIntroduced

    Nell Cant CC BY

    Wikipedia
  • Plains Spadefoot (Spea bombifrons), a species recorded in Montana10

    Plains Spadefoot

    Spea bombifrons

    33 records

    Mike Duran CC BY

    Wikipedia

Plus 1 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

2,585 verified observations on iNaturalist of frog have been recorded in Montana, most often in August, July, June.

When frog are recorded in Montana

Frogs are widespread across Montana, especially in wetlands, ponds, and slow-moving streams. The boreal chorus frog and Columbia spotted frog are the most common species you'll encounter. Your best odds come on warm spring evenings after a rain.

Where are frogs most likely to be seen in Montana?

Frogs in Montana favor shallow, still water with plenty of vegetation. Look for them in marshes, beaver ponds, irrigation ditches, and along the edges of lakes. The Flathead Valley, Red Rock Lakes, and the Charles M. Russell National Wildlife Refuge are top spots. In backyards, any pond or even a rain-filled ditch can attract them. Check out ourMontana wildlife guidefor more habitat details.

What time of year is best for frog spotting?

Spring is prime time, typically from mid-April through June. Frogs emerge as temperatures rise and breed in temporary pools. Evening choruses peak after sundown, especially following a warm rain. Summer can still yield sightings near permanent water, but the best odds are in spring. For more about timing, see ourgeneral frog page.

How can I identify Montana's common frogs?

The boreal chorus frog is small (under 1.5 inches) with a dark stripe through the eye and a three-lined back. The Columbia spotted frog is larger (up to 4 inches) with black spots and a reddish belly. The northern leopard frog has rounded dark spots and a light ridge along its back. Listen for the chorus frog's short 'creek' call. Avoid confusing them with toads, which have bumpy, dry skin.

See ourstate animal guidefor the next step.

What frog calls should I listen for?

The boreal chorus frog produces a series of short, grating notes that sound like a fingernail comb. The Columbia spotted frog's call is a low, throaty croak. The northern leopard frog makes a short snore-like sound followed by a few clucks. To improve your ear, try the free FrogID app. Timing: calls are loudest right after sunset in spring.

Are there any poisonous frogs in Montana?

No native frogs in Montana are dangerously poisonous to humans. The boreal chorus frog and Columbia spotted frog secrete mild skin toxins that are harmless unless you have an open cut. The western toad (not a frog) has parotoid glands, but touching it won't hurt you. Always wash your hands after handling any amphibian.

What should I bring for frog watching?

Wear rubber boots or waders for mucky edges. A bright headlamp with a red filter helps spot eye shine without startling them. A waterproof field guide or a phone with the iNaturalist app is useful for IDs. For rain protection, a lightweight shell helps. If you want to commemorate your finds, browse ourwildlife-themed t-shirtsfor a subtle frog design.

How can I photograph frogs in the wild?

Use a macro lens or a telephoto zoom to avoid disturbing them. Approach slowly from the side, not overhead. Early morning or evening light reduces glare. A polarizing filter cuts reflections on water. For more tips, check our guide tofrog photography basics.

Merchandise to Celebrate Your Frog Sightings

Once you've spotted a few, bring the memory home with these frog-themed fine art prints:

Red Eyed Tree Frog Limited-Edition Print

Bold red eyes and vibrant green make this print a standout for any nature fan's wall.Check Price and Availability

Pine Barrens Tree Frog Limited-Edition Print

The striking patterns and colors of this eastern species come through beautifully in this limited edition.Check Price and Availability

iCanvas Frog Green Wall Art by Jo Lynch

A modern, graphic take on a green frog that fits any decor.Check Price and Availability

Wall art print: Frog by Eimear Maguire on Artfully Walls. Illustration, Animals, framed or unframed art printed on fine art paper

Product from otherCheck Price and Availability

Travel widget for planning your frog trip in Montana

Frequently Asked Questions about frogs in Montana

**Are there tree frogs in Montana?** No native tree frogs (family Hylidae) in Montana, but the boreal chorus frog is often mistaken for one due to its small size and climbing habits.

**What do Montana frogs eat?** Mostly insects, spiders, and worms. Adults eat mosquitoes, flies, and beetles; tadpoles feed on algae.

**How long do Montana frogs live?** Small species like the boreal chorus frog live 1–3 years; larger species like the Columbia spotted frog can reach 5–7 years.

**Do frogs hibernate in Montana?** Yes, they burrow into mud or leaf litter below the frost line, or use cracks in logs and rocks. They often start in October and emerge in March–April.

See ourtour planning ideasfor the next step.

Gear and field guides

Plan your trip

Best time to see frog in Montana: August, July, June

See the month-by-month sighting calendar.

When to go

Plan your frog sighting in Montana

Where to look in Montana

Planning a trip to see frog? Find places to stay near Big Hole National Battlefield on Booking.com.

Frequently asked questions

What frog species live in Montana?+

Frogs in Montana favor shallow, still water with plenty of vegetation. Look for them in marshes, beaver ponds, irrigation ditches, and along the edges of lakes. The Flathead Valley, Red Rock Lakes, and the Charles M. Russell National Wildlife Refuge are top spots. In backyards, any pond or even a rain-filled ditch can attract them. Check out ourMontana wildlife guidefor more habitat details.

Where can you see frogs in Montana?+

Frogs in Montana favor shallow, still water with plenty of vegetation. Look for them in marshes, beaver ponds, irrigation ditches, and along the edges of lakes. The Flathead Valley, Red Rock Lakes, and the Charles M. Russell National Wildlife Refuge are top spots. In backyards, any pond or even a rain-filled ditch can attract them. Check out ourMontana wildlife guidefor more habitat details.

When is the best time to see frogs in Montana?+

Frogs in Montana favor shallow, still water with plenty of vegetation. Look for them in marshes, beaver ponds, irrigation ditches, and along the edges of lakes. The Flathead Valley, Red Rock Lakes, and the Charles M. Russell National Wildlife Refuge are top spots. In backyards, any pond or even a rain-filled ditch can attract them. Check out ourMontana wildlife guidefor more habitat details.