KnowKi

Learn the wildlife of national parks

Learn the wildlife of Cat Ba National Park

Vietnam

1,085 species have research-grade observations inside Cat Ba 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. Black Kite Milvus migrans337
  2. Blue Rock-Thrush Monticola solitarius262
  3. Pacific Reef Heron Egretta sacra199
  4. Little Heron Butorides atricapilla162
  5. Oriental Magpie-Robin Copsychus saularis155
  6. Light-vented Bulbul Pycnonotus sinensis88
  7. Ornate Sunbird Cinnyris ornatus72
  8. Stripe-throated Bulbul Pycnonotus finlaysoni63
  9. Common Kingfisher Alcedo atthis51
  10. Grey Bushchat Saxicola ferreus50

Plants

  1. Primulina drakei19
  2. Elephant-foot yam Amorphophallus paeoniifolius17
  3. Begonia boisiana17
  4. Dracaena cochinchinensis16
  5. Alpinia calcicola10
  6. Sea hibiscus Hibiscus tiliaceus9
  7. Siam weed Chromolaena odorata9
  8. Impatiens verrucifera8
  9. Hairy Beggarticks Bidens pilosa7
  10. Caesar weed Urena lobata7

Mammals

  1. Pallas' Squirrel Callosciurus erythraeus49
  2. Rhesus Macaque Macaca mulatta32
  3. Maritime Striped Squirrel Tamiops maritimus26
  4. Allen's Leaf-nosed Bat Hipposideros poutensis10
  5. Small-toothed Ferret Badger Melogale moschata6
  6. Mainland Leopard Cat Prionailurus bengalensis3
  7. Northern Treeshrew Tupaia belangeri2

Insects

  1. Common Rose Swallowtail Pachliopta aristolochiae41
  2. Punchinello Zemeros flegyas39
  3. Black and White Helen Papilio chaon37
  4. Glassy Tiger Parantica aglea35
  5. Russet Percher Neurothemis fulvia34
  6. Dark Blue Tiger Tirumala septentrionis31
  7. Wandering Glider Pantala flavescens30
  8. Spangle Swallowtail Papilio protenor30
  9. Lemon Migrant Catopsilia pomona30
  10. Yellow Orange Tip Ixias pyrene27

Spiders and kin

  1. Giant Golden Orbweaver Nephila pilipes64
  2. Abandoned-web Orb-weaver Parawixia dehaani23
  3. Hasselt's Spiny Spider Macracantha hasselti18
  4. Pantropical Huntsman Spider Heteropoda venatoria13
  5. Spiny Orb-Weaver Spider Gasteracantha diadesmia11
  6. Black Golden Orbweaver Nephila kuhli6
  7. Dome Web Spider Cyrtophora moluccensis5
  8. Heavy Jumper Hyllus diardi4
  9. Adanson's House Jumper Hasarius adansoni4
  10. Jade Jumping Spider Siler semiglaucus4

Reptiles

  1. Common Sun Skink Eutropis multifasciata67
  2. Common Mock Viper Psammodynastes pulverulentus56
  3. Scale-bellied Tree Lizard Acanthosaura lepidogaster43
  4. Brown spotted pitviper Protobothrops mucrosquamatus28
  5. Vietnamese Bronzeback Dendrelaphis ngansonensis27
  6. Asian House Gecko Hemidactylus frenatus24
  7. Many-banded Krait Bungarus multicinctus19
  8. Chinese Green Tree Viper Trimeresurus stejnegeri16
  9. Common Four-clawed Gecko Gehyra mutilata16
  10. Longtail Mabuya Eutropis longicaudata16

Amphibians

  1. Asian Common Toad Duttaphrynus melanostictus62
  2. Asian Painted Frog Kaloula pulchra31
  3. Spot-legged Tree Frog Polypedates megacephalus30
  4. Paddy Field Frog Fejervarya limnocharis21
  5. Dark-sided Chorus Frog Microhyla heymonsi6
  6. Tubercled Pygmy Frog Microhyla butleri3
  7. Guenther's Frog Hylarana guentheri3
  8. Hainan Frilled Treefrog Kurixalus hainanus3
  9. Dotted Bubble-nest Frog Theloderma albopunctatum3
  10. East Asian Bullfrog Hoplobatrachus chinensis3

Fish

  1. Northern River Garfish Zenarchopterus buffonis14
  2. Spotted Scat Scatophagus argus4
  3. Cobia Rachycentron canadum4
  4. Carpet Eel Blenny Congrogadus subducens3
  5. Longhorn Cowfish Lactoria cornuta2

Mollusks

  1. Tropical Leatherleaf Slug Laevicaulis alte12
  2. African Giant Snail Lissachatina fulica9
  3. Arboreal Snail Megaustenia imperator7
  4. Chinese Slug Meghimatium bilineatum3
  5. Asian Green Mussel Perna viridis3
  6. Grandinenia ardouiniana3

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.