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Learn the wildlife of the U.S. national parks

Learn the wildlife of Cuyahoga Valley National Park

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3,589 species have research-grade observations inside Cuyahoga Valley 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. Great Blue Heron Ardea herodias1,482
  2. Wood Duck Aix sponsa1,348
  3. Red-winged Blackbird Agelaius phoeniceus581
  4. Green Heron Butorides virescens518
  5. Canada Goose Branta canadensis492
  6. Mallard Anas platyrhynchos436
  7. Northern Cardinal Cardinalis cardinalis340
  8. Song Sparrow Melospiza melodia333
  9. Bald Eagle Haliaeetus leucocephalus298
  10. Red-headed Woodpecker Melanerpes erythrocephalus298

Plants

  1. Christmas fern Polystichum acrostichoides646
  2. American cancer-root Conopholis americana604
  3. Bloodroot Sanguinaria canadensis588
  4. Virginia Springbeauty Claytonia virginica562
  5. Large white trillium Trillium grandiflorum554
  6. Mayapple Podophyllum peltatum543
  7. Eastern Skunk Cabbage Symplocarpus foetidus539
  8. Dame's rocket Hesperis matronalis489
  9. Common jewelweed Impatiens capensis426
  10. Multiflora rose Rosa multiflora421

Mammals

  1. White-tailed Deer Odocoileus virginianus420
  2. Eastern Chipmunk Tamias striatus333
  3. American Red Squirrel Tamiasciurus hudsonicus333
  4. Muskrat Ondatra zibethicus277
  5. American Beaver Castor canadensis234
  6. Eastern Gray Squirrel Sciurus carolinensis175
  7. Eastern Cottontail Sylvilagus floridanus89
  8. Eastern Fox Squirrel Sciurus niger86
  9. Coyote Canis latrans61
  10. Common Raccoon Procyon lotor53

Insects

  1. Common Eastern Bumble Bee Bombus impatiens583
  2. Ebony Jewelwing Calopteryx maculata438
  3. Eastern Tiger Swallowtail Papilio glaucus432
  4. Western Honey Bee Apis mellifera373
  5. Eastern Pondhawk Erythemis simplicicollis357
  6. Blue Dasher Pachydiplax longipennis294
  7. Pearl Crescent Phyciodes tharos250
  8. Widow Skimmer Libellula luctuosa242
  9. Common Whitetail Plathemis lydia232
  10. Eastern Forktail Ischnura verticalis207

Spiders and kin

  1. Dark Fishing Spider Dolomedes tenebrosus150
  2. Yellow Garden Spider Argiope aurantia124
  3. Orchard Orbweaver Leucauge venusta121
  4. Banded Garden Spider Argiope trifasciata88
  5. Spined Micrathena Micrathena gracilis69
  6. American Dog Tick Dermacentor variabilis59
  7. American Nursery Web Spider Pisaurina mira51

Reptiles

  1. Painted Turtle Chrysemys picta1,200
  2. Common Snapping Turtle Chelydra serpentina781
  3. Common Watersnake Nerodia sipedon353
  4. Common Garter Snake Thamnophis sirtalis324
  5. Central Ratsnake Pantherophis alleghaniensis215
  6. DeKay's Brownsnake Storeria dekayi198
  7. Pond Slider Trachemys scripta164
  8. Eastern Milksnake Lampropeltis triangulum100
  9. Spiny Softshell Apalone spinifera53
  10. Ring-necked Snake Diadophis punctatus47

Amphibians

  1. American Toad Anaxyrus americanus523
  2. Eastern Red-backed Salamander Plethodon cinereus432
  3. Green Frog Lithobates clamitans417
  4. Wood Frog Lithobates sylvaticus310
  5. American Bullfrog Lithobates catesbeianus265
  6. Eastern Newt Notophthalmus viridescens249
  7. Spotted Salamander Ambystoma maculatum247
  8. Northern Two-lined Salamander Eurycea bislineata183
  9. Spring Peeper Pseudacris crucifer147
  10. Jefferson Salamander Ambystoma jeffersonianum114

Fish

  1. Rainbow Darter Etheostoma caeruleum89
  2. Bluegill Lepomis macrochirus87
  3. Creek Chub Semotilus atromaculatus65
  4. Fantail Darter Etheostoma flabellare57
  5. Largemouth Bass Micropterus nigricans51
  6. Western Blacknose Dace Rhinichthys obtusus49
  7. Central Stoneroller Campostoma anomalum45

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.