KnowKi

Learn the wildlife of national parks

Learn the wildlife of Yasuní National Park

Ecuador

3,137 species have research-grade observations inside Yasuní 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. Hoatzin Opisthocomus hoazin490
  2. Many-banded Aracari Pteroglossus pluricinctus212
  3. White-throated Toucan Ramphastos tucanus182
  4. Greater Ani Crotophaga major173
  5. Anhinga Anhinga anhinga165
  6. White-winged Swallow Tachycineta albiventer149
  7. Yellow-rumped Cacique Cacicus cela147
  8. Rufescent Tiger-Heron Tigrisoma lineatum145
  9. Ringed Kingfisher Megaceryle torquata142
  10. Cocoi Heron Ardea cocoi136

Plants

  1. Geogenanthus ciliatus86
  2. Nautilocalyx erytranthus82
  3. Walking palm Socratea exorrhiza67
  4. Macrolobium acaciifolium64
  5. Copa Palm Iriartea deltoidea63
  6. Fiery spike Aphelandra aurantiaca58
  7. Aninga Montrichardia linifera55
  8. Kapok Tree Ceiba pentandra51
  9. Piton tree Grias neuberthii50
  10. Drymonia coccinea45

Mammals

  1. Ecuadorian Squirrel Monkey Saimiri macrodon373
  2. Common Woolly Monkey Lagothrix lagothricha319
  3. Proboscis Bat Rhynchonycteris naso247
  4. Colombian Red Howler Monkey Alouatta seniculus223
  5. Miller's Saki Pithecia milleri150
  6. Brown-throated Three-toed Sloth Bradypus variegatus121
  7. Amazon River Dolphin Inia geoffrensis118
  8. Linnaeus's Two-toed Sloth Choloepus didactylus77
  9. Golden-mantle Saddleback Tamarin Saguinus tripartitus76
  10. Black-mantled Tamarin Saguinus nigricollis74

Insects

  1. Bullet Ant Paraponera clavata318
  2. Suriname Grasshopper Tetrataenia surinama185
  3. Green-banded Urania Urania leilus173
  4. Gaudy Grasshopper Omura congrua133
  5. Abracris flavolineata111
  6. Conspicuous Ommatolampis Ommatolampis perspicillata111
  7. Panoploscelis specularis92
  8. Amber phantom Haetera piera89
  9. Pseudophasma bispinosum79
  10. Many-banded Daggerwing Marpesia chiron76

Spiders and kin

  1. Yellow-banded Pinktoe Tarantula Avicularia juruensis229
  2. Golden Silk Spider Trichonephila clavipes218
  3. Brazilian Wandering Spider Phoneutria fera201
  4. Amazon Thorn Spider Micrathena schreibersi108
  5. Tropical Orb Weaver Eriophora fuliginea104
  6. Heterophrynus batesii99
  7. Ecuadorian Brown Velvet Tarantula Megaphobema velvetosoma92
  8. Rhaucus serratus63
  9. Thorned Heart Orbweaver Micrathena clypeata47
  10. Argiope submaronica45

Reptiles

  1. Yellow-tongued Anole Anolis scypheus240
  2. Southern Turniptail Gecko Thecadactylus solimoensis226
  3. Garden Tree Boa Corallus hortulana184
  4. Black Caiman Melanosuchus niger180
  5. Brown-eared Anole Anolis fuscoauratus160
  6. Broad-headed Woodlizard Enyalioides laticeps149
  7. Green Anaconda Eunectes murinus147
  8. Spectacled Caiman Caiman crocodilus135
  9. Brazilian Giant Tortoise Chelonoidis denticulatus102
  10. Forest Whiptail Kentropyx pelviceps86

Amphibians

  1. South American Common Toad Rhinella margaritifera494
  2. Ecuador Poison Frog Ameerega bilinguis233
  3. Common Big-headed Frog Oreobates quixensis149
  4. Smoky Jungle Frog Leptodactylus pentadactylus136
  5. White-lined Leaf Frog Phyllomedusa vaillantii127
  6. Spotted Toad Rhaebo guttatus107
  7. Cane Toad Rhinella marina104
  8. Canelos Treefrog Boana appendiculata85
  9. Giant Broad-headed Treefrog Osteocephalus taurinus80
  10. Painted Antnest Frog Lithodytes lineatus68

Fish

  1. Redeye Piranha Serrasalmus rhombeus22
  2. Redbelly Piranha Pygocentrus nattereri21
  3. Glass Tetra Bario oligolepis13

Mollusks

  1. African Giant Snail Lissachatina fulica37
  2. Helicina unizonata19
  3. Sultana sultana17

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.