KnowKi

Learn the wildlife of any country

Learn the wildlife of the Marshall Islands

Oceania

2,602 species have research-grade observations in the Marshall 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. Pacific Reef Heron Egretta sacra46
  2. Blue-billed White-Tern Gygis candida35
  3. Pacific Golden-Plover Pluvialis fulva25
  4. Black Noddy Anous minutus18
  5. Black-naped Tern Sterna sumatrana14
  6. Ruddy Turnstone Arenaria interpres13
  7. Great Crested Tern Thalasseus bergii10

Plants

  1. Coconut palm Cocos nucifera29
  2. Beach naupaka Scaevola taccada29
  3. Tree heliotrope Heliotropium arboreum29
  4. Beach Morning Glory Ipomoea pes-caprae14
  5. Thatch screwpine Pandanus tectorius14
  6. Noni Morinda citrifolia13
  7. Laurel dodder Cassytha filiformis12
  8. Beach Gardenia Guettarda speciosa12
  9. Grand devil's-claws Pisonia grandis11
  10. Polynesian Arrowroot Tacca leontopetaloides10

Reptiles

  1. Emerald Tree Skink Lamprolepis smaragdina39
  2. Green Sea Turtle Chelonia mydas32
  3. Hawksbill Sea Turtle Eretmochelys imbricata23
  4. Mourning Gecko Lepidodactylus lugubris22
  5. Green Anole Anolis carolinensis14

Fish

  1. Three-band Anemonefish Amphiprion tricinctus221
  2. Pink Skunk Anemonefish Amphiprion perideraion144
  3. Orangefin Anemonefish Amphiprion chrysopterus124
  4. Blackback Anemonefish Amphiprion melanopus52
  5. Blackeye Thicklip Hemigymnus melapterus36
  6. Honeycomb Grouper Epinephelus merra32
  7. Redfin Bream Monotaxis heterodon32
  8. Freckled Hawkfish Paracirrhites forsteri31
  9. Blackspotted Puffer Arothron nigropunctatus30
  10. Pacific Sailfin Tang Zebrasoma velifer27

Mollusks

  1. Small Giant Clam Tridacna maxima54
  2. Caramel Nudibranch Glossodoris rufomarginata50
  3. Gigas Giant Clam Tridacna gigas47
  4. Faithful Sea Slug Goniobranchus fidelis45
  5. Elisabeth's Chromodoris Chromodoris elisabethina42
  6. Money Cowry Monetaria moneta42
  7. Black-margined Nudibranch Doriprismatica atromarginata42
  8. Honey Cowrie Naria helvola41
  9. Tiger Cowrie Cypraea tigris40
  10. Bear Paw Clam Hippopus hippopus39

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.