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Learn the wildlife of the U.S. national parks

Learn the wildlife of Crater Lake National Park

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796 species have research-grade observations inside Crater Lake 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. Clark's Nutcracker Nucifraga columbiana642
  2. Canada Jay Perisoreus canadensis245
  3. Dark-eyed Junco Junco hyemalis84
  4. Steller's Jay Cyanocitta stelleri77
  5. Cassin's Finch Haemorhous cassinii59
  6. Yellow-rumped Warbler Setophaga coronata48
  7. Western Tanager Piranga ludoviciana47
  8. Red-tailed Hawk Buteo jamaicensis42
  9. Mountain Chickadee Poecile gambeli38
  10. Turkey Vulture Cathartes aura31

Plants

  1. Mountain hemlock Tsuga mertensiana668
  2. White pasqueflower Pulsatilla occidentalis651
  3. Lewis' monkeyflower Erythranthe lewisii370
  4. Davis' knotweed Koenigia davisiae343
  5. Whitebark Pine Pinus albicaulis322
  6. Pearly everlasting Anaphalis margaritacea253
  7. Dwarf Lupine Lupinus lepidus201
  8. Pacific Bleeding Heart Dicentra formosa197
  9. Scarlet Gilia Ipomopsis aggregata195
  10. Red fir Abies magnifica183

Mammals

  1. Common Golden-mantled Ground Squirrel Callospermophilus lateralis840
  2. Mule Deer Odocoileus hemionus155
  3. Yellow-bellied Marmot Marmota flaviventris142
  4. American Pika Ochotona princeps33
  5. Douglas's Squirrel Tamiasciurus douglasii33
  6. Pacific Marten Martes caurina26
  7. Yellow-pine Chipmunk Neotamias amoenus17
  8. American Black Bear Ursus americanus13
  9. Coyote Canis latrans5
  10. Shadow Chipmunk Neotamias senex4

Insects

  1. California Tortoiseshell Nymphalis californica288
  2. Clodius Parnassian Parnassius clodius89
  3. White-spotted Sawyer Monochamus scutellatus56
  4. Glaucon Blue Euphilotes glaucon47
  5. Hoary Comma Polygonia gracilis42
  6. Anna's Blue Plebejus anna40
  7. Western Black Carpenter Ant Camponotus modoc34
  8. Painted Lady Vanessa cardui33
  9. Boisduval's Blue Icaricia icarioides33
  10. Orange Sulphur Colias eurytheme32

Spiders and kin

  1. Goldenrod Crab Spider Misumena vatia8
  2. Antrodiaetus montanus4
  3. Habronattus americanus3
  4. Six-spotted Orbweaver Araniella displicata2
  5. Pacific Foldingdoor Spider Antrodiaetus pacificus2
  6. Habronattus amicus2
  7. Hirsute Paradise Spider Habronattus hirsutus2

Reptiles

  1. Common Sagebrush Lizard Sceloporus graciosus64
  2. Western Fence Lizard Sceloporus occidentalis4
  3. Common Garter Snake Thamnophis sirtalis3
  4. Northern Alligator Lizard Elgaria coerulea3

Amphibians

  1. Cascades Frog Rana cascadae61
  2. Western Toad Anaxyrus boreas32
  3. Pacific chorus frog Pseudacris regilla10
  4. Long-toed Salamander Ambystoma macrodactylum10
  5. Rough-skinned Newt Taricha granulosa3

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.