KnowKi

Learn the wildlife of any country

Learn the wildlife of South Korea

Asia

9,788 species have research-grade observations in South Korea on iNaturalist. KnowKi turns the most recorded into short lessons with real photos, so you can learn a country's wildlife from home.

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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. Oriental Magpie Pica serica8,046
  2. Grey Heron Ardea cinerea4,606
  3. Eastern Spot-billed Duck Anas zonorhyncha4,409
  4. Brown-eared Bulbul Hypsipetes amaurotis4,389
  5. Eurasian Tree Sparrow Passer montanus4,224
  6. Oriental Turtle-Dove Streptopelia orientalis4,127
  7. Large-billed Crow Corvus macrorhynchos3,195
  8. Azure-winged Magpie Cyanopica cyanus2,915
  9. Daurian Redstart Phoenicurus auroreus2,871
  10. Black-tailed Gull Larus crassirostris2,830

Plants

  1. Asian celandine Chelidonium asiaticum1,630
  2. White clover Trifolium repens1,042
  3. Asiatic dayflower Commelina communis937
  4. American pokeweed Phytolacca americana922
  5. Japanese Hops Humulus scandens770
  6. Lance-leaved Coreopsis Coreopsis lanceolata736
  7. Kudzu Pueraria montana695
  8. Rough potato Cynanchum rostellatum695
  9. Giant ragweed Ambrosia trifida694
  10. Bird's-eye speedwell Veronica persica668

Mammals

  1. Domestic Cat Felis catus2,055
  2. Water Deer Hydropotes inermis783
  3. Eurasian Red Squirrel Sciurus vulgaris777
  4. Siberian Chipmunk Eutamias sibiricus698
  5. Eastern Roe Deer Capreolus pygargus365
  6. Mainland Raccoon Dog Nyctereutes procyonoides275

Insects

  1. Asian Comma Polygonia c-aureum2,475
  2. Giant Asian Mantis Hierodula patellifera1,746
  3. Western Honey Bee Apis mellifera1,743
  4. Pale Grass Blue Pseudozizeeria maha1,578
  5. White-tailed Skimmer Orthetrum albistylum1,538
  6. Spotted Lanternfly Lycorma delicatula1,520
  7. Asian Lady Beetle Harmonia axyridis1,480
  8. Small White Pieris rapae1,346
  9. Oedaleus infernalis1,282
  10. Oriental Longheaded Locust Acrida cinerea1,204

Spiders and kin

  1. Joro Spider Trichonephila clavata2,613
  2. Wasp Spider Argiope bruennichi751
  3. Telamonia vlijmi456
  4. Carrhotus xanthogramma285
  5. Small Cross Spider Argiope minuta274
  6. Neoscona scylloides262
  7. Araneus ventricosus216
  8. Dolomedes sulfureus213
  9. Neoscona mellotteei187

Reptiles

  1. Ussuri Mamushi Gloydius ussuriensis1,022
  2. Steppe Ratsnake Elaphe dione785
  3. Chinese Tiger Keelback Rhabdophis lateralis575
  4. Frog-eating Rat Snake Oocatochus rufodorsatus466
  5. Japanese Keelback Hebius vibakari333
  6. Mountain Grass Lizard Takydromus wolteri328
  7. Pond Slider Trachemys scripta320
  8. Tsushima Ground Skink Scincella vandenburghi315
  9. Short-tailed Mamushi Gloydius brevicaudus292
  10. Red-banded Snake Lycodon rufozonatus245

Amphibians

  1. Japanese Tree Frog Dryophytes japonicus3,736
  2. Ueno's Brown Frog Rana uenoi2,896
  3. Black-spotted Frog Pelophylax nigromaculatus2,458
  4. Boreal Digging Frog Kaloula borealis2,318
  5. Gensan Salamander Hynobius leechii2,016
  6. Oriental Fire-bellied Toad Bombina orientalis1,676
  7. Sakhalin Toad Bufo sachalinensis1,382
  8. Huanren Frog Rana huanrensis918
  9. Imienpo Station frog Glandirana emeljanovi780
  10. American Bullfrog Lithobates catesbeianus564

Fish

  1. Amur Carp Cyprinus rubrofuscus548
  2. Chinese Minnow Rhynchocypris oxycephala344
  3. Pale Chub Zacco platypus333
  4. Goldfish Carassius auratus255
  5. Korean Dark Chub Nipponocypris koreanus227

Mollusks

  1. Sinanodonta lauta432
  2. Acusta redfieldi316
  3. Nesiohelix samarangae271
  4. Buldowskia shadini181

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. Free, with no ads, no account and no purchases.