KnowKi

Learn the wildlife of any country

Learn the wildlife of Argentina

South America

17,331 species have research-grade observations in Argentina 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. Crested Caracara Caracara plancus14,004
  2. Great Kiskadee Pitangus sulphuratus12,711
  3. Rufous-collared Sparrow Zonotrichia capensis12,595
  4. Chimango Caracara Daptrius chimango11,998
  5. Rufous Hornero Furnarius rufus11,782
  6. Chalk-browed Mockingbird Mimus saturninus11,022
  7. Eared Dove Zenaida auriculata10,836
  8. Southern Lapwing Vanellus chilensis10,253
  9. Saffron Finch Sicalis flaveola9,200
  10. Monk Parakeet Myiopsitta monachus8,501

Plants

  1. Bluecrown passionflower Passiflora caerulea3,412
  2. Caven Thorn Vachellia caven2,552
  3. Red Buffalo-bur Solanum sisymbriifolium2,200
  4. Cockspur coral tree Erythrina crista-galli2,017
  5. Whitemouth dayflower Commelina erecta2,008
  6. Chañar Geoffroea decorticans1,787
  7. Desert Hackberry Celtis tala1,759
  8. Pampas Grass Cortaderia selloana1,754
  9. Common lantana Lantana camara1,571
  10. Mile-a-minute vine Ipomoea cairica1,502

Mammals

  1. Capybara Hydrochoerus hydrochaeris3,781
  2. Coypu Myocastor coypus3,536
  3. Guanaco Lama guanicoe2,908
  4. Brazilian Guinea Pig Cavia aperea2,503
  5. Pampas Fox Lycalopex gymnocerca2,178
  6. South American Sea Lion Otaria flavescens2,117
  7. Brown Hare Lepus europaeus1,626
  8. White-eared Opossum Didelphis albiventris1,566
  9. Southern Brown Brocket Subulo gouazoubira1,288
  10. Chilla Lycalopex grisea1,165

Insects

  1. Gulf Fritillary Dione vanillae9,687
  2. Asian Lady Beetle Harmonia axyridis8,855
  3. Western Honey Bee Apis mellifera5,518
  4. Southern Monarch Danaus erippus5,495
  5. Ithra Crescent Ortilia ithra4,753
  6. Common Mangrove Buckeye Junonia genoveva3,619
  7. Brazilian Lady Vanessa braziliensis3,443
  8. Little Dancer Metalmark Riodina lysippoides3,298
  9. Subtropical Lady Vanessa carye3,204
  10. Eriopis connexa2,977

Spiders and kin

  1. Silver Garden Orbweaver Argiope argentata4,476
  2. Southern House Spider Kukulcania hibernalis2,807
  3. Megafreya sutrix1,846
  4. Golden Silk Spider Trichonephila clavipes1,727
  5. Triangulate Combfoot Steatoda triangulosa1,425
  6. Half-edged Wall Jumping Spider Menemerus semilimbatus1,413
  7. False Black Widow Steatoda grossa1,383
  8. Lycosa erythrognatha1,374
  9. Phiale roburifoliata1,371
  10. Parawixia audax1,301

Reptiles

  1. Argentine Black-and-white Tegu Salvator merianae4,321
  2. Hilaire’s Side-necked Turtle Phrynops hilarii3,425
  3. Moorish Gecko Tarentola mauritanica1,447
  4. Yacare Caiman Caiman yacare1,422
  5. Urutu Lancehead Bothrops alternatus1,260
  6. Black-bellied Slider Trachemys dorbigni1,202
  7. Broad-snouted Caiman Caiman latirostris874
  8. Patagonian Racer Philodryas patagoniensis824
  9. Yellow-bellied Liophis Erythrolamprus poecilogyrus822
  10. Common Painted Smooth-throated Lizard Liolaemus pictus759

Amphibians

  1. Argentine Toad Rhinella arenarum3,029
  2. Montevideo Tree Frog Boana pulchella1,675
  3. Wrestler Frog Leptodactylus luctator1,140
  4. Bella Vista Toad Rhinella dorbignyi1,117
  5. Cururu Toad Rhinella diptycha989

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.