KnowKi

Learn the wildlife of national parks

Learn the wildlife of Anavilhanas National Park

Brazil

553 species have research-grade observations inside Anavilhanas 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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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. Wire-tailed Manakin Pipra filicauda43
  2. Festive Amazon Amazona festiva26
  3. Blue-and-yellow Macaw Ara ararauna25
  4. White-throated Toucan Ramphastos tucanus19
  5. Yellow-rumped Cacique Cacicus cela17
  6. Green-tailed Jacamar Galbula galbula15
  7. Great Black Hawk Buteogallus urubitinga13
  8. White-winged Swallow Tachycineta albiventer13
  9. Leaden Antwren Myrmotherula assimilis12
  10. Tropical Kingbird Tyrannus melancholicus12

Plants

  1. Cattleya violacea13
  2. Amazon moonflower Strophocactus wittii11
  3. Handroanthus barbatus5
  4. Eschweilera tenuifolia5
  5. Parrot's Beak Heliconia psittacorum4
  6. Ludovia lancifolia4
  7. Thaumatophyllum solimoesense4
  8. Ruizterania retusa4
  9. Spike-of-dragon Helosis cayennensis3
  10. Mollia speciosa3

Mammals

  1. Amazon River Dolphin Inia geoffrensis68
  2. Brown-throated Three-toed Sloth Bradypus variegatus17
  3. Tucuxi Sotalia fluviatilis13
  4. Proboscis Bat Rhynchonycteris naso6
  5. Giant Otter Pteronura brasiliensis6
  6. Common Squirrel Monkey Saimiri sciureus6
  7. Pale-throated Three-toed Sloth Bradypus tridactylus4
  8. Humboldt’s Squirrel Monkey Saimiri cassiquiarensis3
  9. Jaguar Panthera onca2
  10. Spix's Night Monkey Aotus vociferans2

Insects

  1. Stagmatoptera binotata8
  2. Diastatops estherae7
  3. Violet-winged Grasshopper Tropidacris collaris5
  4. Common Giant Turtle Ant Cephalotes atratus4
  5. Suriname Grasshopper Tetrataenia surinama4
  6. Bullet Ant Paraponera clavata3
  7. Flame-tailed Pondhawk Erythemis peruviana3
  8. Tetrio Sphinx Pseudosphinx tetrio3
  9. Paulinia acuminata3
  10. White Peacock Anartia jatrophae2

Spiders and kin

  1. Pinktoe Tarantula Avicularia avicularia4
  2. Grizzled Pinktoe Tarantula Avicularia variegata3
  3. Golden Silk Spider Trichonephila clavipes3
  4. Gray Wall Jumping Spider Menemerus bivittatus2
  5. Aculepeira travassosi2
  6. Scopocira carinata2
  7. Cotinusa septempunctata2
  8. Ceriomura cruenta2
  9. Rishaschia mandibularis2
  10. Pantropical Huntsman Spider Heteropoda venatoria1

Reptiles

  1. Black Caiman Melanosuchus niger32
  2. Garden Tree Boa Corallus hortulana16
  3. Spectacled Caiman Caiman crocodilus16
  4. Giant Ameiva Ameiva ameiva12
  5. Green Iguana Iguana iguana5
  6. Common Lancehead Bothrops atrox5
  7. Bridled Forest Gecko Gonatodes humeralis4
  8. Diving Lizard Uranoscodon superciliosus4
  9. Boa Constrictor Boa constrictor3
  10. Green Vine Snake Oxybelis fulgidus2

Amphibians

  1. Cane Toad Rhinella marina9
  2. Rusty Tree Frog Boana boans3
  3. Smoky Jungle Frog Leptodactylus pentadactylus2
  4. Rough-skinned Green Tree Frog Boana cinerascens2
  5. Giant Broad-headed Treefrog Osteocephalus taurinus1
  6. Suriname Toad Pipa pipa1
  7. South American Common Toad Rhinella margaritifera1
  8. Snouted Toad Rhinella proboscidea1
  9. Upper Orinoco Tree Frog Boana wavrini1

Fish

  1. Redeye Piranha Serrasalmus rhombeus3
  2. Rio Negro Piranha Serrasalmus gouldingi3
  3. Redbelly Piranha Pygocentrus nattereri2
  4. Lunar Poptella Poptella compressa2
  5. Threadfin Acara Acarichthys heckelii2
  6. Hemigrammus levis2
  7. Triportheus albus2
  8. Silver Prochilodus Semaprochilodus taeniurus1
  9. Slender Piranha Serrasalmus elongatus1
  10. Regal Tatia Tatia brunnea1

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.