Frogs in Washington: identification guide and best places to start

Yes, Washington is home to several frog species, especially in wetland areas. Start your search in ponds, marshes, and slow-moving streams across the lowlands and forests. Spring and early summer offer the best odds for spotting and hearing them.

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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 Washington

Pacific chorus frogbrentnmoran CC BY-SA

Rocky Mountain Tailed Frog photographed in Washington

Rocky Mountain Tailed FrogPublic domain CC0

Cascades Frog photographed in Washington

Cascades FrogRajan Rao 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

12 types of frogs recorded in Washington

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

2 of the 12 shown are recorded as introduced to Washington rather than native.

  • Pacific chorus frog (Pseudacris regilla), a species recorded in Washington1

    Pacific chorus frog

    Pseudacris regilla

    13,510 recordsNative

    brentnmoran CC BY-SA

    Wikipedia
  • American Bullfrog (Lithobates catesbeianus), a species recorded in Washington2

    American Bullfrog

    Lithobates catesbeianus

    5,603 recordsIntroduced

    Nell Cant CC BY

    Wikipedia
  • Northern Red-legged Frog (Rana aurora), a species recorded in Washington3

    Northern Red-legged Frog

    Rana aurora

    3,521 recordsNative

    Gavin Slater CC BY

    Wikipedia
  • Western Toad (Anaxyrus boreas), a species recorded in Washington4

    Western Toad

    Anaxyrus boreas

    3,143 recordsNative

    Public domain CC0

    Wikipedia
  • Cascades Frog (Rana cascadae), a species recorded in Washington5

    Cascades Frog

    Rana cascadae

    2,075 recordsNative

    Rajan Rao CC BY

    Wikipedia
  • Coastal Tailed Frog (Ascaphus truei), a species recorded in Washington6

    Coastal Tailed Frog

    Ascaphus truei

    503 recordsNative

    Michele Wiseman CC BY

    Wikipedia
  • Columbia Spotted Frog (Rana luteiventris), a species recorded in Washington7

    Columbia Spotted Frog

    Rana luteiventris

    240 records

    John G. Phillips CC BY

    Wikipedia
  • Oregon Spotted Frog (Rana pretiosa), a species recorded in Washington8

    Oregon Spotted Frog

    Rana pretiosa

    142 records
  • Green Frog (Lithobates clamitans), a species recorded in Washington9

    Green Frog

    Lithobates clamitans

    93 recordsIntroduced

    Alan Rockefeller CC BY

    Wikipedia
  • Great Basin Spadefoot (Spea intermontana), a species recorded in Washington10

    Great Basin Spadefoot

    Spea intermontana

    87 records

    RJ Baltierra CC BY

    Wikipedia
  • Woodhouse's Toad (Anaxyrus woodhousii), a species recorded in Washington11

    Woodhouse's Toad

    Anaxyrus woodhousii

    31 records

    Shalana Gray CC BY

    Wikipedia
  • Northern Leopard Frog (Lithobates pipiens), a species recorded in Washington12

    Northern Leopard Frog

    Lithobates pipiens

    12 records

    Liz Smith CC BY

    Wikipedia

Plus 4 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

29,634 verified observations on iNaturalist of frog have been recorded in Washington, most often in August, July, June.

When frog are recorded in Washington

Yes, Washington is home to several frog species, especially in wetland areas. Start your search in ponds, marshes, and slow-moving streams across the lowlands and forests. Spring and early summer offer the best odds for spotting and hearing them.

Where are you most likely to find frogs in Washington?

Most Washington frogs stick close to water. Your best bets are shallow ponds, marshes, lake edges, and slow-moving streams in low elevation areas like the Puget Sound lowlands and the Columbia Basin. Some species, like the Pacific chorus frog, also show up in damp gardens and roadside ditches after rain. For a full overview of frog habitats, check out ourfrog identification hub.

In Washington, 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 time of year and weather patterns help with spotting?

Frogs are most active from late February through June, during the breeding season. Warm, rainy nights are prime time for spotting them near breeding sites. Daytime sightings are more likely on cloudy, damp days. In summer, many frogs become nocturnal. Winter is quiet; most frogs hibernate in mud or under logs.

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 Washington. 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 common Washington frogs from lookalikes

The Pacific chorus frog is small (1-2 inches), with a dark mask through the eye and a striped back. The northern red-legged frog is larger (2-4 inches) with red on its belly and legs. Boreal chorus frogs have three dark stripes on the back. Toads have warty, dry skin, while frogs are smooth and moist. Listen for calls: chorus frogs sound like running a thumb over a comb.

See ourstate animal guidefor the next step.

How can you responsibly observe frogs without harming them?

Approach quietly and avoid sudden movements. Use a flashlight with a red filter to avoid startling them. Never handle frogs with dry hands or chemicals; if you must, wet your hands first. Keep dogs away from breeding ponds. Report any unusual die-offs to Washington Department of Fish and Wildlife. For more tips on respectful wildlife viewing, visit ourWashington wildlife page.

Where to find frog-themed art and decor for your home or field notebooks?

If you want to bring the field home, a few art prints capture the spirit of Washington's frogs.

This print shows vibrant colors ideal for a nature corner.Check Price and Availability

A more subtle species portrait.Check Price and AvailabilityYou can also browsefrog art printsfor more options.

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

What are the best frog ID apps and field guides for Washington?

The iNaturalist app works well for crowdsourced IDs. The Peterson Field Guide to Western Reptiles and Amphibians is a solid book. Washington Department of Fish and Wildlife offers a free online guide. Pair these with a notebook and you'll be set for a season of frogging.

Frequently asked questions about frogs in Washington

**Are there poisonous frogs in Washington?** No native frogs are toxic to humans, but western toads secrete a mild toxin that can irritate skin.

**What's the largest frog in Washington?** The American bullfrog, an invasive species, can reach 8 inches. It's found in warm, still waters.

**Can I keep a wild frog as a pet?** It's not recommended. Wild frogs have specific needs and may carry diseases. Plus, it's often illegal without a permit.

**When do frogs start calling in Washington?** Pacific chorus frogs can start calling as early as January in mild winters, but peak calling is March through May.

See ourtour planning ideasfor the next step.

Gear and field guides

Plan your trip

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

See the month-by-month sighting calendar.

When to go

Plan your frog sighting in Washington

Where to look in Washington

Planning a trip to see frog? Find places to stay near Ebey's Landing National Historical Reserve on Booking.com.

Frequently asked questions

What frog species live in Washington?+

Most Washington frogs stick close to water. Your best bets are shallow ponds, marshes, lake edges, and slow-moving streams in low elevation areas like the Puget Sound lowlands and the Columbia Basin. Some species, like the Pacific chorus frog, also show up in damp gardens and roadside ditches after rain. For a full overview of frog habitats, check out ourfrog identification hub. In Washington, 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 Washington?+

Most Washington frogs stick close to water. Your best bets are shallow ponds, marshes, lake edges, and slow-moving streams in low elevation areas like the Puget Sound lowlands and the Columbia Basin. Some species, like the Pacific chorus frog, also show up in damp gardens and roadside ditches after rain. For a full overview of frog habitats, check out ourfrog identification hub. In Washington, 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 Washington?+

Most Washington frogs stick close to water. Your best bets are shallow ponds, marshes, lake edges, and slow-moving streams in low elevation areas like the Puget Sound lowlands and the Columbia Basin. Some species, like the Pacific chorus frog, also show up in damp gardens and roadside ditches after rain. For a full overview of frog habitats, check out ourfrog identification hub. In Washington, 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.