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Learn the wildlife of national parks

Learn the wildlife of Iguaçu National Park

Paraná · Brazil

1,235 species have research-grade observations inside Iguaçu 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. Plush-crested Jay Cyanocorax chrysops221
  2. Black Vulture Coragyps atratus100
  3. Toco Toucan Ramphastos toco91
  4. Great Dusky Swift Cypseloides senex70
  5. Red-rumped Cacique Cacicus haemorrhous70
  6. Neotropic Cormorant Nannopterum brasilianum51
  7. Green-headed Tanager Tangara seledon50
  8. Crested Caracara Caracara plancus46
  9. Great Egret Ardea alba45
  10. Chestnut-eared Aracari Pteroglossus castanotis42

Plants

  1. Woolly bear begonia Begonia subvillosa34
  2. Brazilian vaseplant Aechmea distichantha31
  3. Brazilian bachelor's button Centratherum punctatum30
  4. Zebra plant Tradescantia zebrina30
  5. Busy Lizzie Impatiens walleriana26
  6. Pineapple Ananas comosus25
  7. Justicia brasiliana24
  8. Miltonia flavescens22
  9. Tree Philodendron Thaumatophyllum bipinnatifidum21
  10. Pombalia bigibbosa20

Mammals

  1. South American Coati Nasua nasua503
  2. Southeastern Red Brocket Mazama rufa50
  3. Azara's Agouti Dasyprocta azarae38
  4. Common Tapeti Sylvilagus brasiliensis19
  5. Southern Long-nosed Armadillo Dasypus novemcinctus9
  6. Big-eared Opossum Didelphis aurita7
  7. Capybara Hydrochoerus hydrochaeris7
  8. Brazilian Squirrel Sciurus brasiliensis7
  9. Brazilian Guinea Pig Cavia aperea5
  10. Ocelot Leopardus pardalis4

Insects

  1. Agathina Emperor Doxocopa agathina282
  2. Hydaspes Eighty-Eight Callicore hydaspes174
  3. Orange Mapwing Hypanartia lethe133
  4. Godart's numberwing Catagramma pygas129
  5. Malachite Siproeta stelenes93
  6. Doxocopa linda88
  7. Blue-frosted Banner Catonephele numilia83
  8. Orange Banner Temenis laothoe81
  9. Widespread Eighty-eight Diaethria clymena79
  10. Epinome Cracker Hamadryas epinome79

Spiders and kin

  1. Golden Silk Spider Trichonephila clavipes71
  2. Alpaida grayi65
  3. Geraeocormobius sylvarum25
  4. Alpaida veniliae13
  5. Hogna gumia12
  6. Spinybacked Orbweaver Gasteracantha cancriformis10
  7. Alpaida bicornuta9
  8. Verrucosa meridionalis9
  9. Leucauge argyra8
  10. Brazilian Brown Tarantula Vitalius paranaensis8

Reptiles

  1. Western Collared Spiny Lizard Tropidurus catalanensis264
  2. Argentine Black-and-white Tegu Salvator merianae233
  3. Broad-snouted Caiman Caiman latirostris23
  4. Brazilian Lancehead Bothrops moojeni21
  5. Chicken Snake Spilotes pullatus18
  6. Tropical House Gecko Hemidactylus mabouia14
  7. Geoffroy’s Side-necked Turtle Phrynops geoffroanus9
  8. Aesculapian False Coral Snake Erythrolamprus aesculapii8
  9. Jararacussu Bothrops jararacussu6
  10. Neotropical Rattlesnake Crotalus durissus4

Amphibians

  1. Ocellated tree frog Itapotihyla langsdorffii23
  2. Fuscous-blotched Snouted Tree Frog Scinax fuscovarius8
  3. Cuvier’s Foam Frog Physalaemus cuvieri5
  4. Blacksmith Tree Frog Boana faber5
  5. Dwarf Tree Frog Dendropsophus nanus4
  6. Ornate Forest toad Rhinella ornata4
  7. Pointedbelly Frog Leptodactylus podicipinus3
  8. Ribeirão Branco Snouted Tree Frog Scinax perereca3

Mollusks

  1. Antidrymaeus interpunctus25
  2. Drymaeus muelleggeri11
  3. Giant South American Snail Megalobulimus oblongus9
  4. Meghimatium pictum5

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.