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Learn the wildlife of the U.S. national parks

Learn the wildlife of Dry Tortugas National Park

FL

648 species have research-grade observations inside Dry Tortugas 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. Magnificent Frigatebird Fregata magnificens498
  2. Sooty Tern Onychoprion fuscatus372
  3. Ruddy Turnstone Arenaria interpres221
  4. Brown Pelican Pelecanus occidentalis185
  5. Masked Booby Sula dactylatra124
  6. Laughing Gull Leucophaeus atricilla115
  7. Royal Tern Thalasseus maximus108
  8. Palm Warbler Setophaga palmarum107
  9. Western Cattle-Egret Ardea ibis107
  10. Bridled Tern Onychoprion anaethetus99

Plants

  1. Wild poinsettia Euphorbia cyathophora104
  2. Green Buttonwood Conocarpus erectus61
  3. Blue Porterweed Stachytarpheta jamaicensis61
  4. Sea lavender Tournefortia gnaphalodes56
  5. Beach Morning Glory Ipomoea pes-caprae53
  6. Sea grape Coccoloba uvifera50
  7. Snow Squarestem Melanthera nivea45
  8. Scarlet Cordia Cordia sebestena37
  9. Catchfly prairie gentian Eustoma exaltatum34
  10. Bracted fanpetals Sida ciliaris27

Insects

  1. Spanish Moth Xanthopastis regnatrix39
  2. Mallow Scrub-Hairstreak Strymon istapa33
  3. Ceraunus Blue Hemiargus ceraunus18
  4. Longhorn Crazy Ant Paratrechina longicornis12
  5. Halloween Pennant Celithemis eponina10
  6. Cuban bird grasshopper Schistocerca serialis10
  7. Ello Sphinx Erinnyis ello9
  8. Gulf Fritillary Dione vanillae7
  9. White Peacock Anartia jatrophae7
  10. Black Witch Ascalapha odorata7

Spiders and kin

  1. Slender Brown Scorpion Centruroides gracilis8
  2. Gray Wall Jumping Spider Menemerus bivittatus3
  3. Silver Garden Orbweaver Argiope argentata2
  4. Spinybacked Orbweaver Gasteracantha cancriformis1

Reptiles

  1. Brown Anole Anolis sagrei123
  2. Tropical House Gecko Hemidactylus mabouia17
  3. Green Iguana Iguana iguana8
  4. Bark Anole Anolis distichus2
  5. North American Racer Coluber constrictor1

Fish

  1. Gray Snapper Lutjanus griseus211
  2. Atlantic Sergeant Major Abudefduf saxatilis132
  3. Great Barracuda Sphyraena barracuda89
  4. Slippery Dick Halichoeres bivittatus89
  5. Atlantic Blue Tang Acanthurus coeruleus77
  6. Bluestriped Grunt Haemulon sciurus74
  7. Beaugregory Stegastes leucostictus74
  8. Caribbean Bluehead Wrasse Thalassoma bifasciatum66
  9. Striped Parrotfish Scarus iseri57
  10. Bar Jack Caranx ruber51

Mollusks

  1. Queen Conch Aliger gigas55
  2. Tiger Lucine Codakia orbicularis25
  3. Lightning Whelk Sinistrofulgur sinistrum17
  4. Caribbean Reef Squid Sepioteuthis sepioidea13
  5. Spotted seahare Aplysia dactylomela13
  6. West Indian Top Shell Cittarium pica13
  7. American Star Shell Lithopoma americanum13
  8. Lettuce Sea Slug Elysia crispata12
  9. Florida Horse Conch Triplofusus giganteus12
  10. Digitate Thorny Oyster Spondylus tenuis12

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. KnowKi is not affiliated with the National Park Service. Free, with no ads, no account and no purchases.