KnowKi

Learn the wildlife of the U.S. national parks

Learn the wildlife of Lassen Volcanic National Park

CA

1,297 species have research-grade observations inside Lassen Volcanic 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 stelleri219
  2. Yellow-rumped Warbler Setophaga coronata210
  3. Clark's Nutcracker Nucifraga columbiana180
  4. Mountain Chickadee Poecile gambeli144
  5. Sooty Grouse Dendragapus fuliginosus135
  6. White-headed Woodpecker Leuconotopicus albolarvatus130
  7. Dark-eyed Junco Junco hyemalis120
  8. Mallard Anas platyrhynchos115
  9. American Coot Fulica americana112
  10. Canada Goose Branta canadensis104

Plants

  1. Purple Mountain-heath Phyllodoce breweri556
  2. Corn Lily Veratrum californicum487
  3. Satin lupine Lupinus obtusilobus471
  4. Mountain hemlock Tsuga mertensiana464
  5. Mountain Pride Penstemon newberryi442
  6. Snowplant Sarcodes sanguinea428
  7. Davis' knotweed Koenigia davisiae369
  8. Primrose monkeyflower Erythranthe primuloides318
  9. Purple Fawn Lily Erythronium purpurascens274
  10. Ocean spray Holodiscus discolor271

Mammals

  1. Common Golden-mantled Ground Squirrel Callospermophilus lateralis638
  2. Mule Deer Odocoileus hemionus343
  3. Douglas's Squirrel Tamiasciurus douglasii237
  4. American Black Bear Ursus americanus94
  5. Yellow-bellied Marmot Marmota flaviventris66
  6. Lodgepole Chipmunk Neotamias speciosus42
  7. American Pika Ochotona princeps41
  8. Yellow-pine Chipmunk Neotamias amoenus23

Insects

  1. California Tortoiseshell Nymphalis californica543
  2. Clodius Parnassian Parnassius clodius107
  3. White-spotted Sawyer Monochamus scutellatus93
  4. Crimson-ringed Whiteface Leucorrhinia glacialis93
  5. Four-spotted Skimmer Libellula quadrimaculata84
  6. Yellow-faced Bumble Bee Bombus vosnesenskii80
  7. Crackling Forest Grasshopper Trimerotropis verruculata72
  8. Hoary Comma Polygonia gracilis58
  9. Norton's Giant Ichneumonid Wasp Megarhyssa nortoni58
  10. Western Tiger Beetle Cicindela oregona56

Spiders and kin

  1. Koch's Wolf Spider Alopecosa kochi11
  2. Goldenrod Crab Spider Misumena vatia8
  3. Habronattus kubai7

Reptiles

  1. Common Sagebrush Lizard Sceloporus graciosus170
  2. Common Garter Snake Thamnophis sirtalis66
  3. Northern Alligator Lizard Elgaria coerulea21
  4. Western Terrestrial Garter Snake Thamnophis elegans16
  5. Northern Rubber Boa Charina bottae7

Amphibians

  1. Pacific chorus frog Pseudacris regilla251
  2. Western Toad Anaxyrus boreas106
  3. Long-toed Salamander Ambystoma macrodactylum31

Fish

  1. Brown Trout Salmo trutta16
  2. Brook Trout Salvelinus fontinalis9
  3. Rainbow Trout Oncorhynchus mykiss6

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.