Skip to content
OpenPhenologybeta

Warren County

Ecoregion: Southern Great Lakes forests

Temperate Broadleaf & Mixed Forests. Ecoregions: RESOLVE Ecoregions 2017 (Dinerstein et al. 2017) (opens in a new tab), CC BY 4.0 (opens in a new tab)

Watersheds: Little Miami and Lower Great Miami, Indiana, Ohio

Parks: Caesar Creek State Park and Five Rivers MetroParks

Cities and suburbs: Cincinnati and Dayton

Land cover: farmland 43%, developed 32%, forest 25%

Elevation: 560 to 1,080 ft, mostly around 860 ft (172–329 m)

Land cover as shares of the land area. Land cover: USGS Annual NLCD, 2025 (opens in a new tab). Elevation: USGS 3D Elevation Program (opens in a new tab)

Warmth so far: Not available yet.

species with a result
241
records, 2016 to 2025
16,872
This week near Warren County

Warren County at a glance

Darker weeks have more of a group's species recorded. Shows when people recorded them, not how common they are.

Amphibians 8
Bees, wasps and ants 5
Beetles 6
Birds 32
Butterflies and moths 27
Conifers and relatives 1
Dragonflies and damselflies 22
Ferns and clubmosses 4
Fishes 1
Flies 2
Flowering plants 113
Fungi 5
Grasshoppers and crickets 1
Mammals 4
Reptiles 5
Spiders 3
True bugs 2
Recording in Warren County · records of all species each week, 16,872 in all

The grey bars show how many records of all species were made here each week, so you can see when recording itself was high or low.

Every species recorded here

429 species

Amphibians 8

American Toad (Anaxyrus americanus)American ToadAnaxyrus americanusPhoto © Alex Shure · CC BY-NC 4.0Early April to late September, middle week Jun 28 – Jul 4100 recordsBlanchard's Cricket Frog (Acris blanchardi)Blanchard's Cricket FrogAcris blanchardiPhoto © Andy Kraemer · CC BY-NC 4.0No season: the weeks are still too uncertain41 recordsFowler's Toad (Anaxyrus fowleri)Fowler's ToadAnaxyrus fowleriPhoto © Ty Smith · CC BY-NC 4.0No season: recorded in two separate seasons42 recordsGreen frog (Aquarana clamitans)Green frogAquarana clamitansPhoto © suburbirder · CC BY-NC 4.0No season: most records are from one year143 recordsNorthern Leopard Frog (Lithobates pipiens)Northern Leopard FrogLithobates pipiensPhoto © Hannah Floyd · CC BY-NC 4.0No season: most records are from one year27 recordsSouthern Two-lined Salamander (Eurycea cirrigera)Southern Two-lined SalamanderEurycea cirrigeraPhoto © Zach Lim · CC BY-NC 4.0No season: the weeks are still too uncertain20 recordsSpotted Salamander (Ambystoma maculatum)Spotted SalamanderAmbystoma maculatumPhoto © Ty Smith · CC BY-NC 4.0No season: the weeks are still too uncertain20 recordsSpring Peeper (Pseudacris crucifer)Spring PeeperPseudacris cruciferPhoto © Jerry Cannon · CC BY-NC 4.0No season: the weeks are still too uncertain22 records

Bees, wasps and ants 5

Bald-faced Hornet (Dolichovespula maculata)Bald-faced HornetDolichovespula maculataPhoto © Benigno Veraz · CC BY-NC 4.0No season: the weeks are still too uncertain25 recordsBrown-belted Bumble Bee (Bombus griseocollis)Brown-belted Bumble BeeBombus griseocollisPhoto © Steven Mlodinow · CC BY-NC 4.0No season: the weeks are still too uncertain42 recordsCommon Eastern Bumble Bee (Bombus impatiens)Common Eastern Bumble BeeBombus impatiensPhoto © scotstewart · CC BY-NC 4.0No season: the weeks are still too uncertain97 recordsEastern Carpenter Bee (Xylocopa virginica)Eastern Carpenter BeeXylocopa virginicaPhoto © Christopher Eliot · CC BY 4.0No season: the weeks are still too uncertain67 recordsWestern Honey Bee (Apis mellifera)Western Honey BeeApis melliferaPhoto © Lê Thanh Hoa · CC BY-NC 4.0No season: most records are from one year153 records

Beetles 6

Red Milkweed Beetle (Tetraopes tetrophthalmus)Red Milkweed BeetleTetraopes tetrophthalmusPhoto © Katja Schulz · CC BY 4.0Early June to late July, middle week Jun 28 – Jul 422 recordsGoldenrod Soldier Beetle (Chauliognathus pensylvanicus)Goldenrod Soldier BeetleChauliognathus pensylvanicusPhoto © Wildreturn · CC BY 4.0Late August to early October, middle week Sep 6–1233 recordsAsian Lady Beetle (Harmonia axyridis)Asian Lady BeetleHarmonia axyridisPhoto © Paolo Mazzei · CC BY-NC 4.0No season: recorded in two separate seasons69 recordsJapanese Beetle (Popillia japonica)Japanese BeetlePopillia japonicaPhoto © Ingrid Kaatz · CC BY-NC 4.0No season: the weeks are still too uncertain34 recordsSix-spotted Tiger Beetle (Cicindela (Cicindela) sexguttata)Six-spotted Tiger BeetleCicindela (Cicindela) sexguttataPhoto © dufferin · CC BY-NC 4.0No season: the weeks are still too uncertain39 recordsSpotted Cucumber Beetle (Diabrotica undecimpunctata)Spotted Cucumber BeetleDiabrotica undecimpunctataPhoto © Katja Schulz · CC BY 4.0No season: the weeks are still too uncertain21 records

Birds 32

American Coot (Fulica americana)American CootFulica americanaPhoto © Pierce Louderback · CC BY-NC 4.0No season: the weeks are still too uncertain23 recordsAmerican Goldfinch (Spinus tristis)American GoldfinchSpinus tristisPhoto © Chris Fisher · CC BY-NC 4.0No season: recorded in two separate seasons43 recordsAmerican Herring Gull (Larus smithsonianus)American Herring GullLarus smithsonianusPhoto © Guy Lemelin · CC BY-NC 4.0No season: the weeks are still too uncertain30 recordsAmerican Robin (Turdus migratorius)American RobinTurdus migratoriusPhoto © John D Reynolds · CC BY-NC 4.0No season: the weeks are still too uncertain77 recordsBald Eagle (Haliaeetus leucocephalus)Bald EagleHaliaeetus leucocephalusPhoto © Joe Zigmont · CC BY-NC 4.0No season: recorded through most of the year28 recordsBlack Vulture (Coragyps atratus)Black VultureCoragyps atratusPhoto © eduardovieira17 · CC BY-NC 4.0No season: recorded through most of the year36 recordsBlue Jay (Cyanocitta cristata)Blue JayCyanocitta cristataPhoto © Judy Gallagher · CC BY 4.0No season: the weeks are still too uncertain41 recordsBrown-headed Cowbird (Molothrus ater)Brown-headed CowbirdMolothrus aterPhoto © cello caruso-turiello · CC BY 4.0No season: the weeks are still too uncertain24 recordsCanada Goose (Branta canadensis)Canada GooseBranta canadensisPhoto © mhalsted · CC BY-NC 4.0No season: the weeks are still too uncertain86 recordsCarolina Wren (Thryothorus ludovicianus)Carolina WrenThryothorus ludovicianusPhoto © Tom Murray · CC BY-NC 4.0No season: recorded through most of the year27 recordsCommon Grackle (Quiscalus quiscula)Common GrackleQuiscalus quisculaPhoto © brian stahls · CC BY-NC 4.0No season: the weeks are still too uncertain20 recordsDouble-crested Cormorant (Nannopterum auritum)Double-crested CormorantNannopterum auritumPhoto © Ben Martin Mortimer · CC BY-NC 4.0No season: the weeks are still too uncertain34 recordsDowny Woodpecker (Dryobates pubescens)Downy WoodpeckerDryobates pubescensPhoto © Alexis Williams · CC BY 4.0No season: the weeks are still too uncertain27 recordsGreat Blue Heron (Ardea herodias)Great Blue HeronArdea herodiasPhoto © Dan Roach · CC BY-NC 4.0No season: recorded in two separate seasons88 recordsHouse Finch (Haemorhous mexicanus)House FinchHaemorhous mexicanusPhoto © Donna Pomeroy · CC BY-NC 4.0No season: the weeks are still too uncertain31 recordsHouse Sparrow (Passer domesticus)House SparrowPasser domesticusPhoto © Ximo Galarza · CC BY-NC-SA 4.0No season: the weeks are still too uncertain28 recordsKilldeer (Charadrius vociferus)KilldeerCharadrius vociferusPhoto © world_lineage · CC BY-NC 4.0No season: the weeks are still too uncertain38 recordsMallard (Anas platyrhynchos)MallardAnas platyrhynchosPhoto © anonymous · CC BY-SA 4.0No season: the weeks are still too uncertain70 recordsMourning Dove (Zenaida macroura)Mourning DoveZenaida macrouraPhoto © Donna Pomeroy · CC BY-NC 4.0No season: the weeks are still too uncertain27 recordsNorthern Cardinal (Cardinalis cardinalis)Northern CardinalCardinalis cardinalisPhoto © Laura Keene · CC BY-NC 4.0No season: recorded through most of the year59 recordsOsprey (Pandion haliaetus)OspreyPandion haliaetusPhoto © Greg Lasley · CC BY-NC 4.0No season: the weeks are still too uncertain24 recordsPileated Woodpecker (Dryocopus pileatus)Pileated WoodpeckerDryocopus pileatusPhoto © Joshlaymon · CC BY-SA 4.0No season: the weeks are still too uncertain24 recordsRed-bellied Woodpecker (Melanerpes carolinus)Red-bellied WoodpeckerMelanerpes carolinusPhoto © donm5d · CC BY-NC 4.0No season: recorded through most of the year20 recordsRed-shouldered Hawk (Buteo lineatus)Red-shouldered HawkButeo lineatusPhoto © spinomaly · CC BY-NC 4.0No season: recorded through most of the year35 recordsRed-tailed Hawk (Buteo jamaicensis)Red-tailed HawkButeo jamaicensisPhoto © tony_tumminello · CC BY-NC 4.0No season: recorded through most of the year30 recordsRed-winged Blackbird (Agelaius phoeniceus)Red-winged BlackbirdAgelaius phoeniceusPhoto © Bridget Spencer · CC BY-NC 4.0No season: recorded in two separate seasons42 recordsRing-billed Gull (Larus delawarensis)Ring-billed GullLarus delawarensisPhoto © Craig K. Hunt · CC BY-NC 4.0No season: the weeks are still too uncertain37 recordsRuby-throated Hummingbird (Archilochus colubris)Ruby-throated HummingbirdArchilochus colubrisPhoto © Kent Ross · CC BY-NC 4.0No season: the weeks are still too uncertain34 recordsSong Sparrow (Melospiza melodia)Song SparrowMelospiza melodiaPhoto © Ad Konings · CC BY-NC 4.0No season: recorded through most of the year43 records

Showing 48 of 429

More lists for Warren County

Missing records do not mean a species is absent. Back to the Ohio map