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Learn the wildlife of national parks

Learn the wildlife of Ciervo de los Pantanos National Park

Buenos Aires · Argentina

754 species have research-grade observations inside Ciervo de los Pantanos 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. Monk Parakeet Myiopsitta monachus31
  2. Rufous-collared Sparrow Zonotrichia capensis29
  3. Great Pampa-Finch Embernagra platensis27
  4. Spectacled Tyrant Hymenops perspicillatus26
  5. Roadside Hawk Rupornis magnirostris23
  6. Diademed Tanager Stephanophorus diadematus20
  7. Black-and-rufous Warbling-Finch Poospiza nigrorufa20
  8. Crested Caracara Caracara plancus19
  9. Maguari Stork Ciconia maguari19
  10. Variable Antshrike Thamnophilus caerulescens19

Plants

  1. Potato vine Solanum laxum38
  2. Cocum Allophylus edulis30
  3. Tree privet Ligustrum lucidum29
  4. Tillandsia aeranthos29
  5. Desert Hackberry Celtis tala28
  6. Jodina rhombifolia24
  7. Honey locust Gleditsia triacanthos22
  8. Lepismium lumbricoides22
  9. Wild teasel Dipsacus fullonum21
  10. Paper mulberry Broussonetia papyrifera21

Mammals

  1. Capybara Hydrochoerus hydrochaeris13
  2. Geoffroy's Cat Leopardus geoffroyi5
  3. Brazilian Guinea Pig Cavia aperea4
  4. Coypu Myocastor coypus2
  5. Red Hocicudo Oxymycterus rufus2
  6. Pampas Fox Lycalopex gymnocerca2
  7. Crab-eating Raccoon Procyon cancrivorus1
  8. Lesser Grison Galictis cuja1
  9. Wild Boar Sus scrofa1
  10. Brown Hare Lepus europaeus1

Insects

  1. Turquoise Emperor Doxocopa laurentia30
  2. Number Eighty Diaethria candrena29
  3. Ithra Crescent Ortilia ithra28
  4. Dysdercus albofasciatus21
  5. Micrathyria hypodidyma20
  6. Little Dancer Metalmark Riodina lysippoides18
  7. Spotted Maize Beetle Astylus atromaculatus18
  8. Leucanella viridescens15
  9. Soldier Grasshopper Chromacris speciosa15
  10. Astylus quadrilineatus14

Spiders and kin

  1. Silver Garden Orbweaver Argiope argentata9
  2. Homoeomma uruguayense9
  3. Golden Silk Spider Trichonephila clavipes9
  4. Asthenoctenus borellii8
  5. Megafreya sutrix7
  6. Parawixia bistriata6
  7. Polybetes pythagoricus6
  8. Leucauge volupis6
  9. Common House Spider Parasteatoda tepidariorum4
  10. Parawixia audax3

Reptiles

  1. Paraguay White-lined Skink Aspronema dorsivittatum8
  2. Golden Liophis Erythrolamprus semiaureus5
  3. Hilaire’s Side-necked Turtle Phrynops hilarii4
  4. Argentine Black-and-white Tegu Salvator merianae4
  5. Keeled Sepia Snake Dryophylax hypoconia2
  6. South-American Snake-headed Turtle Hydromedusa tectifera1

Amphibians

  1. Wrestler Frog Leptodactylus luctator17
  2. Bella Vista Toad Rhinella dorbignyi7
  3. Montevideo Tree Frog Boana pulchella7
  4. Dumeril's Striped Frog Leptodactylus gracilis1
  5. Lesser Swimming Frog Pseudis minuta1

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. Parks outside the U.S. are from the World Database on Protected Areas (UNEP-WCMC and IUCN, Protected Planet). KnowKi is not affiliated with the National Park Service or any park's managers. Free, with no ads, no account, and no purchases.