KnowKi

Learn the wildlife of the U.S. national parks

Learn the wildlife of Hawaiʻi Volcanoes National Park

HI

903 species have research-grade observations inside Hawaiʻi Volcanoes 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. Kalij Pheasant Lophura leucomelanos1,032
  2. Hawaiian Goose Branta sandvicensis617
  3. ʻApapane Himatione sanguinea536
  4. Warbling White-eye Zosterops japonicus174
  5. Erckel's Spurfowl Pternistis erckelii162
  6. Hawaiʻi ʻAmakihi Chlorodrepanis virens115
  7. Saffron Finch Sicalis flaveola105
  8. White-tailed Tropicbird Phaethon lepturus85
  9. Yellow-billed Cardinal Paroaria capitata71
  10. ʻOmaʻo Myadestes obscurus68

Plants

  1. ʻŌhiʻa Lehua Metrosideros polymorpha3,620
  2. Bamboo Orchid Arundina graminifolia1,629
  3. Pūkiawe Leptecophylla tameiameiae1,374
  4. False staghorn fern Dicranopteris linearis1,358
  5. 'ohelo 'ai Vaccinium reticulatum1,306
  6. Kahili ginger Hedychium gardnerianum1,238
  7. Hāpu‘u pulu Cibotium glaucum971
  8. Pink knotweed Persicaria capitata724
  9. Akeake Dodonaea viscosa592
  10. Koa Acacia koa508

Mammals

  1. Wild Boar Sus scrofa34
  2. Small Indian Mongoose Urva auropunctata21
  3. Domestic Cat Felis catus8
  4. House Mouse Mus musculus3

Insects

  1. Steelblue Lady Beetle Halmus chalybeus87
  2. Western Yellowjacket Vespula pensylvanica54
  3. Western Honey Bee Apis mellifera52
  4. Lesser Grass Blue Zizina otis50
  5. Strawberry Guava Scale Tectococcus ovatus50
  6. Koa Seedworm Cryptophlebia illepida48
  7. Hawaiian Blue Udara blackburni40
  8. Pea Blue Lampides boeticus39
  9. Yellow Crazy Ant Anoplolepis gracilipes32
  10. Margined Calligrapher Toxomerus marginatus27

Spiders and kin

  1. Asian Spinybacked Orbweaver Thelacantha brevispina34
  2. Banded Garden Spider Argiope trifasciata29
  3. Grey House Spider Badumna longinqua13
  4. Hawaiian Happy Face Spider Theridion grallator13
  5. Black Cobweb Spider Steatoda capensis12
  6. Spotted Orbweaver Neoscona crucifera11
  7. Tetragnatha quasimodo10
  8. Hawaiian Garden Spider Argiope appensa10
  9. Fuchsia Gall Mite Aculops fuchsiae5
  10. Ariamnes waikula4

Reptiles

  1. Jackson's Chameleon Trioceros jacksonii48
  2. Dark-flecked Garden Sunskink Lampropholis delicata35
  3. Gold Dust Day Gecko Phelsuma laticauda18
  4. Green Anole Anolis carolinensis12
  5. Mourning Gecko Lepidodactylus lugubris8
  6. Asian House Gecko Hemidactylus frenatus5
  7. Green Sea Turtle Chelonia mydas4
  8. Mottled Snake-eyed Skink Cryptoblepharus poecilopleurus2

Mollusks

  1. Leopard Slug Limax maximus27
  2. Chinese Slug Meghimatium bilineatum16
  3. Garlic Snail Oxychilus alliarius9
  4. Polished Nerite Nerita polita3

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.