KnowKi

Learn the wildlife of the U.S. national parks

Learn the wildlife of the Redwood National Park

CA

2,573 species have research-grade observations inside Redwood 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. Steller's Jay Cyanocitta stelleri418
  2. Barn Swallow Hirundo rustica230
  3. Varied Thrush Ixoreus naevius211
  4. Brown Pelican Pelecanus occidentalis202
  5. Pacific Wren Troglodytes pacificus145
  6. White-crowned Sparrow Zonotrichia leucophrys128
  7. Turkey Vulture Cathartes aura123
  8. American Robin Turdus migratorius119
  9. Common Raven Corvus corax102
  10. American Dipper Cinclus mexicanus101

Plants

  1. Coast redwood Sequoia sempervirens2,598
  2. Pacific trillium Trillium ovatum1,639
  3. Deer fern Struthiopteris spicant1,180
  4. Western sword fern Polystichum munitum1,133
  5. Western maidenhair fern Adiantum aleuticum1,007
  6. Salal Gaultheria shallon862
  7. Andrews' Clintonia Clintonia andrewsiana848
  8. Western skunk cabbage Lysichiton americanus835
  9. Evergreen Huckleberry Vaccinium ovatum801
  10. Salmonberry Rubus spectabilis793

Mammals

  1. Wapiti Cervus canadensis1,735
  2. Mule Deer Odocoileus hemionus227
  3. Harbor Seal Phoca vitulina209
  4. American Black Bear Ursus americanus196
  5. Douglas's Squirrel Tamiasciurus douglasii125
  6. Brush Rabbit Sylvilagus bachmani87
  7. Siskiyou Chipmunk Neotamias siskiyou68
  8. Shadow Chipmunk Neotamias senex64
  9. California Sea Lion Zalophus californianus56
  10. North American River Otter Lontra canadensis52

Insects

  1. Square-legged Camel Cricket Tropidischia xanthostoma76
  2. Gray Buckeye Junonia grisea75
  3. Silver-spotted Tiger Moth Lophocampa argentata73
  4. Margined White Pieris marginalis67
  5. North American Common Water Strider Aquarius remigis64
  6. Spotted Tussock Moth Lophocampa maculata63
  7. Isabella Tiger Moth Pyrrharctia isabella56
  8. Narrow-collared Snail-eating Beetle Scaphinotus angusticollis50
  9. Velvet Snail-eating Beetle Scaphinotus velutinus48
  10. California Black Trichodezia californiata46

Spiders and kin

  1. Goldenrod Crab Spider Misumena vatia29
  2. Nordmann's Orbweaver Spider Araneus nordmanni28
  3. Yellow Garden Spider Argiope aurantia17

Reptiles

  1. Common Garter Snake Thamnophis sirtalis111
  2. Western Fence Lizard Sceloporus occidentalis68
  3. Northern Alligator Lizard Elgaria coerulea61
  4. Western Terrestrial Garter Snake Thamnophis elegans50
  5. Gopher Snake Pituophis catenifer41
  6. Northwestern Garter Snake Thamnophis ordinoides34
  7. Aquatic Garter Snake Thamnophis atratus33
  8. North American Racer Coluber constrictor25

Amphibians

  1. Pacific Giant Salamander Dicamptodon tenebrosus478
  2. Ensatina Ensatina eschscholtzii404
  3. California Slender Salamander Batrachoseps attenuatus374
  4. Western Toad Anaxyrus boreas318
  5. Rough-skinned Newt Taricha granulosa188
  6. Pacific chorus frog Pseudacris regilla133
  7. Northwestern Salamander Ambystoma gracile109
  8. Wandering Salamander Aneides vagrans54

Fish

  1. Coho Salmon Oncorhynchus kisutch45
  2. Coastal Cutthroat Trout Oncorhynchus clarkii29
  3. Tidepool Sculpin Oligocottus maculosus26
  4. Rainbow Trout Oncorhynchus mykiss25
  5. Threespine Stickleback Gasterosteus aculeatus17

Mollusks

  1. Pacific Banana Slug Ariolimax columbianus2,793
  2. Pacific Sideband Monadenia fidelis257
  3. Robust Lancetooth Snail Haplotrema vancouverense202
  4. Redwood Sideband Monadenia infumata189
  5. California Mussel Mytilus californianus143
  6. Black Tegula Tegula funebralis58
  7. Striped Dogwinkle Nucella ostrina52
  8. Reticulate Taildropper Prophysaon andersonii51
  9. Garden Snail Cornu aspersum50
  10. Black Juga Juga nigrina48

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.