KnowKi

Learn the wildlife of the U.S. national parks

Learn the wildlife of Olympic National Park

WA

3,134 species have research-grade observations inside Olympic National Park on iNaturalist. KnowKi turns the most recorded into short lessons with real photos, so you know what you're looking at before you go.

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Āki the kiwi, KnowKi's guide

Most recorded here

The species with the most research-grade observations on iNaturalist, and how many each has. Most recorded doesn't mean native.

Birds

  1. Canada Jay Perisoreus canadensis720
  2. Sooty Grouse Dendragapus fuliginosus669
  3. Bald Eagle Haliaeetus leucocephalus376
  4. Dark-eyed Junco Junco hyemalis336
  5. Steller's Jay Cyanocitta stelleri324
  6. Common Raven Corvus corax285
  7. Mallard Anas platyrhynchos257
  8. American Robin Turdus migratorius249
  9. Pacific Wren Troglodytes pacificus198
  10. Hairy Woodpecker Leuconotopicus villosus194

Plants

  1. Western sword fern Polystichum munitum1,339
  2. Salal Gaultheria shallon974
  3. Western Bunchberry Cornus unalaschkensis958
  4. Devil's Club Oplopanax horridus941
  5. Salmonberry Rubus spectabilis893
  6. Deer fern Struthiopteris spicant853
  7. Threeleaf Foamflower Tiarella trifoliata775
  8. Western Lily of the Valley Maianthemum dilatatum749
  9. Pearly everlasting Anaphalis margaritacea715
  10. Pacific trillium Trillium ovatum701

Mammals

  1. Mule Deer Odocoileus hemionus1,965
  2. Olympic Marmot Marmota olympus937
  3. Douglas's Squirrel Tamiasciurus douglasii728
  4. Wapiti Cervus canadensis561
  5. Yellow-pine Chipmunk Neotamias amoenus495
  6. American Black Bear Ursus americanus360
  7. Snowshoe Hare Lepus americanus287
  8. Townsend's Chipmunk Neotamias townsendii237
  9. Harbor Seal Phoca vitulina96
  10. North American River Otter Lontra canadensis67

Insects

  1. Snowberry Checkerspot Euphydryas colon534
  2. Field Crescent Phyciodes pulchella289
  3. Hydaspe Fritillary Argynnis hydaspe264
  4. American Branded Skipper Hesperia colorado185
  5. Purplish Copper Tharsalea helloides172
  6. Edith's Checkerspot Euphydryas editha171
  7. Clodius Parnassian Parnassius clodius157
  8. Boisduval's Blue Icaricia icarioides148
  9. Arctic Blue Agriades glandon140
  10. Narrow-collared Snail-eating Beetle Scaphinotus angusticollis137

Amphibians

  1. Western Toad Anaxyrus boreas330
  2. Cascades Frog Rana cascadae170
  3. Western Red-backed Salamander Plethodon vehiculum156
  4. Northern Red-legged Frog Rana aurora133
  5. Rough-skinned Newt Taricha granulosa127
  6. Ensatina Ensatina eschscholtzii72
  7. Olympic Torrent Salamander Rhyacotriton olympicus65
  8. Coastal Tailed Frog Ascaphus truei61
  9. Cope's Giant Salamander Dicamptodon copei37

Fish

  1. Tidepool Sculpin Oligocottus maculosus142
  2. Coho Salmon Oncorhynchus kisutch97
  3. Mosshead Sculpin Clinocottus globiceps58

Mollusks

  1. Pacific Banana Slug Ariolimax columbianus2,440
  2. Black Slug Arion ater528
  3. Frilled Dogwinkle Nucella lamellosa324
  4. Striped Dogwinkle Nucella ostrina275
  5. California Mussel Mytilus californianus266
  6. Pacific Razor Clam Siliqua patula191
  7. Yellow-bordered Taildropper Prophysaon foliolatum174
  8. Pacific Sideband Monadenia fidelis166
  9. Three-lined Aeolid Orienthella trilineata151
  10. Black Tegula Tegula funebralis128

How a trip works

A trip has its own trail of lessons: meet six species, match them to new photos, then practice with four choices. Species you learn go into your Fieldbook, and starting a trip earns its Passport stamp. Your home place stays as it is.

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Species lists and counts from research-grade observations on iNaturalist, as of October 2026. KnowKi is not affiliated with the National Park Service. Free, with no ads, no account and no purchases.