KnowKi

Learn the wildlife of any country

Learn the wildlife of the Northern Mariana Islands

Oceania

1,977 species have research-grade observations in the Northern Mariana Islands on iNaturalist. KnowKi turns the most recorded into short lessons with real photos, so you can learn a country's wildlife from home.

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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. Mariana Kingfisher Todiramphus albicilla222
  2. Blue-billed White-Tern Gygis candida112
  3. Micronesian Starling Aplonis opaca105
  4. Micronesian Rufous Fantail Rhipidura versicolor89
  5. White-throated Ground Dove Pampusana xanthonura81
  6. Micronesian Myzomela Myzomela rubratra69
  7. Mariana Fruit Dove Ptilinopus roseicapilla63
  8. Bridled White-eye Zosterops conspicillatus60
  9. Golden White-eye Cleptornis marchei58
  10. Red-footed Booby Sula sula56

Plants

  1. Noni Morinda citrifolia53
  2. Alim Melanolepis multiglandulosa52
  3. Pigeonberry Rivina humilis48
  4. Fish Poison Tree Barringtonia asiatica46
  5. Bantigue Pemphis acidula45
  6. Beach naupaka Scaevola taccada43
  7. Papaya Carica papaya39
  8. Fingersop Meiogyne cylindrocarpa38
  9. Cynometra ramiflora36
  10. Torchwood Bikkia tetrandra35

Mammals

  1. Mariana Flying-fox Pteropus mariannus71
  2. Philippine Brown Deer Rusa marianna18
  3. Humpback Whale Megaptera novaeangliae9

Insects

  1. Great Eggfly Hypolimnas bolina59
  2. Giant Asian Mantis Hierodula patellifera54
  3. Western Honey Bee Apis mellifera44
  4. Gulf Fritillary Dione vanillae40
  5. Mariana walkingstick Acanthograeffea denticulata37
  6. Stenocatantops splendens33
  7. Blue-banded King Crow Butterfly Euploea eunice31
  8. Philippine katydid Phaneroptera furcifera29
  9. Malayan Eggfly Hypolimnas anomala29
  10. Rectimarginalis fuscospinosa29

Spiders and kin

  1. Hawaiian Garden Spider Argiope appensa108
  2. Sword-Bearing Thorelliola Thorelliola ensifera65
  3. Pantropical Huntsman Spider Heteropoda venatoria48
  4. Common Web-spider Neoscona theisi41
  5. Gray Wall Jumping Spider Menemerus bivittatus25
  6. Carrhotus sannio23
  7. Dome Web Spider Cyrtophora moluccensis18
  8. Orange-and-black Pear Spider Leucauge fastigata18
  9. Scytodes pallida17
  10. Decorative Vleispider Leucauge decorata14

Reptiles

  1. Mariana Monitor Varanus tsukamotoi88
  2. Green Anole Anolis carolinensis78
  3. Mourning Gecko Lepidodactylus lugubris63
  4. Green Sea Turtle Chelonia mydas59
  5. Emerald Tree Skink Lamprolepis smaragdina58
  6. Island Rainbow Skink Carlia ailanpalai51
  7. Pacific Bluetail Skink Emoia caeruleocauda42
  8. Pacific Dtella Gehyra oceanica31
  9. Common Four-clawed Gecko Gehyra mutilata19
  10. Asian House Gecko Hemidactylus frenatus15

Fish

  1. Spotted Toby Canthigaster solandri58
  2. Emperor Angelfish Pomacanthus imperator52
  3. Threespot Wrasse Halichoeres trimaculatus52
  4. Freckled Hawkfish Paracirrhites forsteri46
  5. Checkerboard Wrasse Halichoeres hortulanus42
  6. Sunset Wrasse Thalassoma lutescens42
  7. Threadfin Butterflyfish Chaetodon auriga41
  8. Moorish Idol Zanclus cornutus41
  9. Rippled Rockskipper Istiblennius edentulus38
  10. Humbug Dascyllus Dascyllus aruanus38

Mollusks

  1. Blue Dragon Pteraeolidia semperi73
  2. Small Giant Clam Tridacna maxima55
  3. Phyllidiella annulata47
  4. Cuban Leaf Slug Veronicella cubensis45
  5. Mourning Dorid Jorunna funebris44
  6. Phyllidia guamensis43
  7. Lamprohaminoea cymbalum42
  8. Day Octopus Octopus cyanea39
  9. Thuridilla bayeri35
  10. Clumpy Nudibranch Asteronotus cespitosus34

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. Free, with no ads, no account and no purchases.