Frogs in Oregon: Identification Guide and Best Places to Spot Them

Yes, frogs are widespread across Oregon. Your best bet is to look in wetlands, ponds, and slow streams from late winter through early summer. Start with lower elevation sites west of the Cascades and listen for choruses on warm, damp nights.

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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.

Pacific chorus frog photographed in Oregon

Pacific chorus frog · John G. Phillips CC BY

Pacific chorus frog photographed in Oregon

Pacific chorus frog · Public domain CC0

American Bullfrog photographed in Oregon

American Bullfrog · nmoorhatch CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
8
species recorded
August, June, May
peak months

Verified species, source iNaturalist

12 types of frogs recorded in Oregon

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

1 of the 12 shown is recorded as introduced to Oregon rather than native.

  • Pacific chorus frog (Pseudacris regilla), a species recorded in Oregon1

    Pacific chorus frog

    Pseudacris regilla

    9,067 records

    brentnmoran CC BY-SA

    Wikipedia
  • American Bullfrog (Lithobates catesbeianus), a species recorded in Oregon2

    American Bullfrog

    Lithobates catesbeianus

    2,909 recordsIntroduced

    Nell Cant CC BY

    Wikipedia
  • Northern Red-legged Frog (Rana aurora), a species recorded in Oregon3

    Northern Red-legged Frog

    Rana aurora

    2,606 recordsNative

    Gavin Slater CC BY

    Wikipedia
  • Western Toad (Anaxyrus boreas), a species recorded in Oregon4

    Western Toad

    Anaxyrus boreas

    2,009 records

    Public domain CC0

    Wikipedia
  • Cascades Frog (Rana cascadae), a species recorded in Oregon5

    Cascades Frog

    Rana cascadae

    732 records

    Rajan Rao CC BY

    Wikipedia
  • Coastal Tailed Frog (Ascaphus truei), a species recorded in Oregon6

    Coastal Tailed Frog

    Ascaphus truei

    717 records

    Michele Wiseman CC BY

    Wikipedia
  • Great Basin Spadefoot (Spea intermontana), a species recorded in Oregon7

    Great Basin Spadefoot

    Spea intermontana

    587 records

    RJ Baltierra CC BY

    Wikipedia
  • Foothill Yellow-legged Frog (Rana boylii), a species recorded in Oregon8

    Foothill Yellow-legged Frog

    Rana boylii

    433 records

    Alan Rockefeller CC BY

    Wikipedia
  • Columbia Spotted Frog (Rana luteiventris), a species recorded in Oregon9

    Columbia Spotted Frog

    Rana luteiventris

    240 records

    John G. Phillips CC BY

    Wikipedia
  • Woodhouse's Toad (Anaxyrus woodhousii), a species recorded in Oregon10

    Woodhouse's Toad

    Anaxyrus woodhousii

    71 records

    Shalana Gray CC BY

    Wikipedia
  • Oregon Spotted Frog (Rana pretiosa), a species recorded in Oregon11

    Oregon Spotted Frog

    Rana pretiosa

    62 records
  • Rocky Mountain Tailed Frog (Ascaphus montanus), a species recorded in Oregon12

    Rocky Mountain Tailed Frog

    Ascaphus montanus

    21 records

    Public domain CC0

    Wikipedia

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

19,685 verified observations on iNaturalist of frog have been recorded in Oregon, most often in August, June, May.

When frog are recorded in Oregon

Yes, frogs are widespread across Oregon. Your best bet is to look in wetlands, ponds, and slow streams from late winter through early summer. Start with lower elevation sites west of the Cascades and listen for choruses on warm, damp nights.

Where are people most likely to notice frogs in Oregon?

Most sightings come from quiet water bodies: farm ponds, marsh edges, roadside ditches, and rain-filled pools. The Willamette Valley's seasonal wetlands and the coastal lowlands are especially productive. Start your search in these areas during the breeding season.

In Oregon, frogs sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. 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.

What season or weather patterns help with frog spotting?

Frogs are most active from February through June. Warm, rainy nights trigger breeding choruses. After a heavy spring rain, head to temporary pools or flooded fields. Overcast days with light drizzle also keep frogs moving.

Most misses happen when people arrive at the wrong hour or expect nonstop activity. Build around what season or weather patterns help, keep one backup area in mind, and use theanimal facts pageplustour planning ideasto compare what a realistic outing looks like in Oregon. 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.

Simple ID cues that separate frogs from lookalikes

Oregon frogs have smooth, moist skin and long legs with webbed toes. Toads have dry, warty skin and shorter legs. Listen for calls: Pacific chorus frogs make a two-part "kreck-ek" while red-legged frogs have a muffled chuckle. Also check eye placement: frogs have prominent eyes on top of the head.

See ourstate animal guidefor the next step.

What are the most common frog species in Oregon?

You'll often see the Pacific chorus frog (small, with a dark eye stripe), the northern red-legged frog (brown with red belly), and the Oregon spotted frog (large spots on back). Also look for the Cascades frog in mountain lakes and the bullfrog (invasive) in warm lowland ponds.

When is the best time of day to look for frogs?

Dusk and dawn are peak activity times. Frogs call and feed at night, so evening walks with a flashlight are effective. During the day, look near shaded water edges or under logs. Avoid midday heat – frogs hide to stay moist.

What tools or prep help with frog watching?

A waterproof field guide tofrogs of the Pacific Northwestis handy. Wear rubber boots and bring a red filter for your flashlight – frogs are less spooked by red light. A smartphone with a recording app helps capture calls for later ID.

Where can I find frog-inspired art prints?

After your outing, bring the beauty home. Check out these prints from Easy Street Markets:

Red Eyed Tree Frog Limited-Edition Print

A vibrant piece that captures the iconic red-eyed tree frog. Perfect for a home office or kids' room.Check Price and Availability

Pine Barrens Tree Frog Limited-Edition Print

This print showcases the subtle green and brown of a lesser-known tree frog species.Check Price and Availability

For more options, browse ourwildlife shirtsand otheranimal art prints– though the latter is not linked due to niche constraints. Instead, explore the fullOregon wildlife sectionfor more ideas.

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

Frequently asked questions about frogs in Oregon

**Are there poisonous frogs in Oregon?** No, but the western toad and Oregon spotted frog secrete mild skin irritants – avoid touching eyes after handling. **What frog sounds like a cricket?** That's likely the Pacific tree frog – it makes a repeated two-note call. **Can I keep a wild frog as a pet?** It's illegal without a permit; enjoy them in the wild. **Where can I report rare frog sightings?** Submit observations to iNaturalist or the Oregon Department of Fish and Wildlife.

See ourtour planning ideasfor the next step.

Gear and field guides

Plan your trip

Best time to see frog in Oregon: August, June, May

See the month-by-month sighting calendar.

When to go

Plan your frog sighting in Oregon

Where to look in Oregon

Planning a trip to see frog? Find places to stay near Crater Lake National Park on Booking.com.

Frequently asked questions

What frog species live in Oregon?+

Most sightings come from quiet water bodies: farm ponds, marsh edges, roadside ditches, and rain-filled pools. The Willamette Valley's seasonal wetlands and the coastal lowlands are especially productive. Start your search in these areas during the breeding season. In Oregon, frogs sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. 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 can you see frogs in Oregon?+

Most sightings come from quiet water bodies: farm ponds, marsh edges, roadside ditches, and rain-filled pools. The Willamette Valley's seasonal wetlands and the coastal lowlands are especially productive. Start your search in these areas during the breeding season. In Oregon, frogs sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. 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.

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

Most sightings come from quiet water bodies: farm ponds, marsh edges, roadside ditches, and rain-filled pools. The Willamette Valley's seasonal wetlands and the coastal lowlands are especially productive. Start your search in these areas during the breeding season. In Oregon, frogs sightings usually improve when you slow down and match your first stop to where people are most likely to notice them. 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.