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Delaware 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)

Watershed: Upper Scioto

Park: Metro Parks (Columbus and Franklin County)

City and suburbs: Columbus

Land cover: farmland 54%, developed 28%, forest 17%

Elevation: 750 to 1,240 ft, mostly around 940 ft (230–378 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
284
records, 2016 to 2025
21,087
This week near Delaware County

Delaware 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 6
Bees, wasps and ants 10
Beetles 7
Birds 38
Butterflies and moths 47
Conifers and relatives 1
Crustaceans 3
Dragonflies and damselflies 18
Ferns and clubmosses 1
Fishes 2
Flies 3
Flowering plants 108
Fungi 10
Grasshoppers and crickets 1
Mammals 7
Reptiles 6
Spiders 11
True bugs 5
Recording in Delaware County · records of all species each week, 21,087 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

460 species

Amphibians 6

Eastern Red-backed Salamander (Plethodon cinereus)Eastern Red-backed SalamanderPlethodon cinereusEarly in its seasonPhoto © Ty Smith · CC BY-NC 4.0Mid-September to mid-May, middle week Apr 12–1858 recordsAmerican Toad (Anaxyrus americanus)American ToadAnaxyrus americanusPhoto © Alex Shure · CC BY-NC 4.0No season: recorded in two separate seasons123 recordsGray Treefrog (Dryophytes versicolor)Gray TreefrogDryophytes versicolorPhoto © Todd Pierson · CC BY-NC-SA 4.0No season: recorded in two separate seasons78 recordsGreen frog (Aquarana clamitans)Green frogAquarana clamitansPhoto © suburbirder · CC BY-NC 4.0No season: the weeks are still too uncertain68 recordsSpotted Salamander (Ambystoma maculatum)Spotted SalamanderAmbystoma maculatumPhoto © Ty Smith · CC BY-NC 4.0No season: most records are from one year22 recordsSpring Peeper (Pseudacris crucifer)Spring PeeperPseudacris cruciferPhoto © Jerry Cannon · CC BY-NC 4.0No season: the weeks are still too uncertain36 records

Bees, wasps and ants 10

Two-spotted Longhorn Bee (Melissodes bimaculatus)Two-spotted Longhorn BeeMelissodes bimaculatusPhoto © Eamon Corbett · CC BY 4.0Mid-July to mid-August, middle week Jul 26 – Aug 120 recordsEastern Carpenter Bee (Xylocopa virginica)Eastern Carpenter BeeXylocopa virginicaPhoto © Christopher Eliot · CC BY 4.0Mid-April to late September, middle week Aug 16–2249 recordsBald-faced Hornet (Dolichovespula maculata)Bald-faced HornetDolichovespula maculataPhoto © Benigno Veraz · CC BY-NC 4.0No season: the weeks are still too uncertain28 recordsBrown-belted Bumble Bee (Bombus griseocollis)Brown-belted Bumble BeeBombus griseocollisPhoto © Steven Mlodinow · CC BY-NC 4.0No season: the weeks are still too uncertain53 recordsCommon Eastern Bumble Bee (Bombus impatiens)Common Eastern Bumble BeeBombus impatiensPhoto © scotstewart · CC BY-NC 4.0No season: the weeks are still too uncertain86 recordsEastern Black Carpenter Ant (Camponotus (Camponotus) pennsylvanicus)Eastern Black Carpenter AntCamponotus (Camponotus) pennsylvanicusPhoto © Dmitry Mozzherin · CC BY-NC-SA 4.0No season: the weeks are still too uncertain22 recordsEastern Yellowjacket (Vespula maculifrons)Eastern YellowjacketVespula maculifronsPhoto © sankax · CC BY-NC 4.0No season: the weeks are still too uncertain33 recordsNorthern Paper Wasp (Polistes fuscatus)Northern Paper WaspPolistes fuscatusPhoto © Alex Shure · CC BY-NC 4.0No season: the weeks are still too uncertain21 recordsTwo-spotted Bumble Bee (Bombus bimaculatus)Two-spotted Bumble BeeBombus bimaculatusPhoto © larrytip · CC BY-NC 4.0No season: the weeks are still too uncertain60 recordsWestern Honey Bee (Apis mellifera)Western Honey BeeApis melliferaPhoto © Lê Thanh Hoa · CC BY-NC 4.0No season: the weeks are still too uncertain87 records

Beetles 7

Six-spotted Tiger Beetle (Cicindela (Cicindela) sexguttata)Six-spotted Tiger BeetleCicindela (Cicindela) sexguttataPhoto © dufferin · CC BY-NC 4.0Mid-April to late June, middle week May 31 – Jun 635 recordsBlack Firefly (Lucidota atra)Black FireflyLucidota atraPhoto © Katja Schulz · CC BY 4.0Late May to late June, middle week Jun 14–2020 recordsRed Milkweed Beetle (Tetraopes tetrophthalmus)Red Milkweed BeetleTetraopes tetrophthalmusPhoto © Katja Schulz · CC BY 4.0Mid-June to mid-July, middle week Jul 5–1128 recordsGoldenrod Soldier Beetle (Chauliognathus pensylvanicus)Goldenrod Soldier BeetleChauliognathus pensylvanicusPhoto © Wildreturn · CC BY 4.0Mid-August to late September, middle week Sep 6–1223 recordsAsian Lady Beetle (Harmonia axyridis)Asian Lady BeetleHarmonia axyridisPhoto © Paolo Mazzei · CC BY-NC 4.0No season: recorded in two separate seasons123 recordsReddish-brown Stag Beetle (Lucanus capreolus)Reddish-brown Stag BeetleLucanus capreolusPhoto © cotinis · CC BY-NC 4.0No season: the weeks are still too uncertain24 recordsSpotted Cucumber Beetle (Diabrotica undecimpunctata)Spotted Cucumber BeetleDiabrotica undecimpunctataPhoto © Katja Schulz · CC BY 4.0No season: the weeks are still too uncertain45 records

Birds 38

American Goldfinch (Spinus tristis)American GoldfinchSpinus tristisPhoto © Chris Fisher · CC BY-NC 4.0No season: the weeks are still too uncertain21 recordsAmerican Robin (Turdus migratorius)American RobinTurdus migratoriusPhoto © John D Reynolds · CC BY-NC 4.0No season: the weeks are still too uncertain75 recordsBald Eagle (Haliaeetus leucocephalus)Bald EagleHaliaeetus leucocephalusPhoto © Joe Zigmont · CC BY-NC 4.0No season: recorded through most of the year29 recordsBarred Owl (Strix varia)Barred OwlStrix variaPhoto © David Yeager · CC BY-NC 4.0No season: the weeks are still too uncertain24 recordsBlack Vulture (Coragyps atratus)Black VultureCoragyps atratusPhoto © eduardovieira17 · CC BY-NC 4.0No season: the weeks are still too uncertain26 recordsBlue Jay (Cyanocitta cristata)Blue JayCyanocitta cristataPhoto © Judy Gallagher · CC BY 4.0No season: recorded in two separate seasons48 recordsCanada Goose (Branta canadensis)Canada GooseBranta canadensisPhoto © mhalsted · CC BY-NC 4.0No season: recorded in two separate seasons78 recordsCarolina Chickadee (Poecile carolinensis)Carolina ChickadeePoecile carolinensisPhoto © Dan Pancamo · CC BY-SA 4.0No season: the weeks are still too uncertain20 recordsCarolina Wren (Thryothorus ludovicianus)Carolina WrenThryothorus ludovicianusPhoto © Tom Murray · CC BY-NC 4.0No season: the weeks are still too uncertain26 recordsCommon Grackle (Quiscalus quiscula)Common GrackleQuiscalus quisculaPhoto © brian stahls · CC BY-NC 4.0No season: the weeks are still too uncertain30 recordsCooper's Hawk (Astur cooperii)Cooper's HawkAstur cooperiiPhoto © Abby Sesselberg · CC BY-NC 4.0No season: the weeks are still too uncertain27 recordsDouble-crested Cormorant (Nannopterum auritum)Double-crested CormorantNannopterum auritumPhoto © Ben Martin Mortimer · CC BY-NC 4.0No season: the weeks are still too uncertain21 recordsDowny Woodpecker (Dryobates pubescens)Downy WoodpeckerDryobates pubescensPhoto © Alexis Williams · CC BY 4.0No season: recorded through most of the year54 recordsEastern Bluebird (Sialia sialis)Eastern BluebirdSialia sialisPhoto © Marie Hosch · CC BY-NC 4.0No season: recorded in two separate seasons47 recordsEuropean Starling (Sturnus vulgaris)European StarlingSturnus vulgarisPhoto © Shiva Shenoy · CC BY 4.0No season: recorded through most of the year32 recordsGreat Blue Heron (Ardea herodias)Great Blue HeronArdea herodiasPhoto © Dan Roach · CC BY-NC 4.0No season: the weeks are still too uncertain72 recordsGreat Egret (Ardea alba)Great EgretArdea albaPhoto © daverowe · CC BY-NC 4.0No season: the weeks are still too uncertain37 recordsGreen Heron (Butorides virescens)Green HeronButorides virescensPhoto © Tom Kennedy · CC BY 4.0No season: the weeks are still too uncertain20 recordsHouse Finch (Haemorhous mexicanus)House FinchHaemorhous mexicanusPhoto © Donna Pomeroy · CC BY-NC 4.0No season: recorded through most of the year31 recordsHouse Sparrow (Passer domesticus)House SparrowPasser domesticusPhoto © Ximo Galarza · CC BY-NC-SA 4.0No season: recorded through most of the year54 recordsKilldeer (Charadrius vociferus)KilldeerCharadrius vociferusPhoto © world_lineage · CC BY-NC 4.0No season: the weeks are still too uncertain27 recordsMallard (Anas platyrhynchos)MallardAnas platyrhynchosPhoto © anonymous · CC BY-SA 4.0No season: the weeks are still too uncertain82 recordsMourning Dove (Zenaida macroura)Mourning DoveZenaida macrouraPhoto © Donna Pomeroy · CC BY-NC 4.0No season: the weeks are still too uncertain55 recordsNorthern Cardinal (Cardinalis cardinalis)Northern CardinalCardinalis cardinalisPhoto © Laura Keene · CC BY-NC 4.0No season: recorded through most of the year91 recordsNorthern Flicker (Colaptes auratus)Northern FlickerColaptes auratusPhoto © Jared Manninen · CC BY-NC 4.0No season: the weeks are still too uncertain21 records

Showing 48 of 460

More lists for Delaware County

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