Jefferson County

Land cover: forest 61%, farmland 23%, developed 14%

Elevation: 640 to 1,450 ft, mostly around 1,120 ft (196–441 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
19
records, 2016 to 2025
2,766
This week near Jefferson County

Jefferson County at a glance

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

Recording in Jefferson County · records of all species each week, 2,766 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

246 species

Dragonflies and damselflies 19

Eastern Forktail (Ischnura verticalis)Eastern ForktailIschnura verticalisPhoto © Mark Rosenstein · CC BY-NC 4.0Late April to mid-August, middle week Jun 7–1358 recordsCommon Whitetail (Plathemis lydia)Common WhitetailPlathemis lydiaPhoto © Greg Lasley · CC BY-NC 4.0Mid-May to late August, middle week Jun 21–2742 recordsEbony Jewelwing (Calopteryx maculata)Ebony JewelwingCalopteryx maculataPhoto © rmoreau · CC BY-NC 4.0Mid-May to late August, middle week Jun 21–2730 recordsDouble-striped Bluet (Enallagma basidens)Double-striped BluetEnallagma basidensPhoto © Benjamin Schwartz · CC BY-NC 4.0Early June to early September, middle week Jul 5–1152 recordsBlack Saddlebags (Tramea lacerata)Black SaddlebagsTramea lacerataPhoto © Cameron Eckert · CC BY-NC 4.0Late May to late August, middle week Jul 12–1821 recordsEastern Amberwing (Perithemis tenera)Eastern AmberwingPerithemis teneraPhoto © Cameron Eckert · CC BY-NC 4.0Late June to mid-September, middle week Jul 12–1840 recordsWidow Skimmer (Libellula luctuosa)Widow SkimmerLibellula luctuosaPhoto © Kevin Dodds · CC BY-NC 4.0Early June to mid-September, middle week Jul 19–2567 recordsDusky Dancer (Argia translata)Dusky DancerArgia translataPhoto © Cameron Eckert · CC BY-NC 4.0Late June to early October, middle week Aug 9–1528 recordsHalloween Pennant (Celithemis eponina)Halloween PennantCelithemis eponinaPhoto © geosesarma · CC BY 4.0Early July to early September, middle week Aug 16–2220 recordsAutumn Meadowhawk (Sympetrum vicinum)Autumn MeadowhawkSympetrum vicinumPhoto © Cameron Eckert · CC BY-NC 4.0No season: most records are from one year51 recordsBlue Dasher (Pachydiplax longipennis)Blue DasherPachydiplax longipennisPhoto © Cameron Eckert · CC BY-NC 4.0No season: recorded in two separate seasons71 recordsBlue-ringed Dancer (Argia sedula)Blue-ringed DancerArgia sedulaPhoto © Arthur Yang · CC BY-NC 4.0No season: recorded in two separate seasons29 recordsEastern Pondhawk (Erythemis simplicicollis)Eastern PondhawkErythemis simplicicollisPhoto © Anne Thompson · CC BY-NC 4.0No season: recorded in two separate seasons94 recordsFragile Forktail (Ischnura posita)Fragile ForktailIschnura positaPhoto © Zachary Dankowicz · CC BY 4.0No season: recorded in two separate seasons46 recordsLancet Clubtail (Phanogomphus exilis)Lancet ClubtailPhanogomphus exilisPhoto © Jim Lemon · CC BY-NC 4.0No season: most records are from one year29 recordsPowdered Dancer (Argia moesta)Powdered DancerArgia moestaPhoto © Jerry Oldenettel · CC BY-NC-SA 4.0No season: most records are from one year25 recordsPrince Baskettail (Epitheca princeps)Prince BaskettailEpitheca princepsPhoto © Dan Irizarry · CC BY-NC-SA 4.0No season: most records are from one year29 recordsSkimming Bluet (Enallagma geminatum)Skimming BluetEnallagma geminatumPhoto © summerazure · CC BY-NC-SA 4.0No season: most records are from one year20 recordsVariable Dancer (Argia fumipennis)Variable DancerArgia fumipennisPhoto © Susan Elliott · CC BY-NC 4.0No season: recorded in two separate seasons60 records

Within its mapped range 227

No qualifying county records yet, but its published range map covers the county.

Acadian Flycatcher (Empidonax virescens)Acadian FlycatcherEmpidonax virescens · BirdsPhoto © Luis Trinchan · CC BY-NC 4.0Summer range · USGS GAPAlder Flycatcher (Empidonax alnorum)Alder FlycatcherEmpidonax alnorum · BirdsPhoto © Mark Dennis · CC BY-NC 4.0Migratory range · USGS GAPAmerican Beaver (Castor canadensis)American BeaverCastor canadensis · MammalsPhoto © Rodney Campbell · CC BY 4.0Year-round range · USGS GAPAmerican Black Duck (Anas rubripes)American Black DuckAnas rubripes · BirdsPhoto © Vasco Valadares · CC BY-NC 4.0Year-round range · USGS GAPAmerican Coot (Fulica americana)American CootFulica americana · BirdsPhoto © Pierce Louderback · CC BY-NC 4.0Migratory range · USGS GAPAmerican Crow (Corvus brachyrhynchos)American CrowCorvus brachyrhynchos · BirdsPhoto © Joe McKenna · CC BY-NC 4.0Year-round range · USGS GAPAmerican Goldfinch (Spinus tristis)American GoldfinchSpinus tristis · BirdsPhoto © Chris Fisher · CC BY-NC 4.0Year-round range · USGS GAPAmerican Kestrel (Falco sparverius)American KestrelFalco sparverius · BirdsPhoto © SINEAD · CC BY-NC 4.0Year-round range · USGS GAPAmerican Mink (Neogale vison)American MinkNeogale vison · MammalsPhoto © mangoat1 · CC BY-NC 4.0Year-round range · USGS GAPAmerican Pipit (Anthus rubescens)American PipitAnthus rubescens · BirdsPhoto © Greg Lasley · CC BY-NC 4.0Migratory range · USGS GAPAmerican Redstart (Setophaga ruticilla)American RedstartSetophaga ruticilla · BirdsPhoto © Leo Weiskittel · CC BY-NC 4.0Summer range · USGS GAPAmerican Robin (Turdus migratorius)American RobinTurdus migratorius · BirdsPhoto © John D Reynolds · CC BY-NC 4.0Year-round range · USGS GAPAmerican Toad (Anaxyrus americanus)American ToadAnaxyrus americanus · AmphibiansPhoto © Alex Shure · CC BY-NC 4.0Year-round range · USGS GAPAmerican Tree Sparrow (Spizelloides arborea)American Tree SparrowSpizelloides arborea · BirdsPhoto © Cameron Eckert · CC BY-NC 4.0Winter range · USGS GAPBald Eagle (Haliaeetus leucocephalus)Bald EagleHaliaeetus leucocephalus · BirdsPhoto © Joe Zigmont · CC BY-NC 4.0Winter range · USGS GAPBaltimore Oriole (Icterus galbula)Baltimore OrioleIcterus galbula · BirdsPhoto © Tom Murray · CC BY-NC 4.0Summer range · USGS GAPBank Swallow (Riparia riparia)Bank SwallowRiparia riparia · BirdsPhoto © rupperrt78 · CC BY-NC 4.0Summer and migratory range · USGS GAPBarn Swallow (Hirundo rustica)Barn SwallowHirundo rustica · BirdsPhoto © Ad Konings · CC BY-NC 4.0Summer range · USGS GAPBarred Owl (Strix varia)Barred OwlStrix varia · BirdsPhoto © David Yeager · CC BY-NC 4.0Year-round range · USGS GAPBay-breasted Warbler (Setophaga castanea)Bay-breasted WarblerSetophaga castanea · BirdsPhoto © Jorge Emmanuel Escobar · CC BY-NC 4.0Migratory range · USGS GAPBelted Kingfisher (Megaceryle alcyon)Belted KingfisherMegaceryle alcyon · BirdsPhoto © Dave Roberts · CC BY-NC 4.0Year-round range · USGS GAPBlack-and-white Warbler (Mniotilta varia)Black-and-white WarblerMniotilta varia · BirdsPhoto © Holly Merker · CC BY-NC 4.0Summer range · USGS GAPBlack-billed Cuckoo (Coccyzus erythropthalmus)Black-billed CuckooCoccyzus erythropthalmus · BirdsPhoto © Terry Sohl · CC BY-NC 4.0Summer range · USGS GAPBlack-capped Chickadee (Poecile atricapillus)Black-capped ChickadeePoecile atricapillus · BirdsPhoto © Kent Ross · CC BY-NC 4.0Year-round range · USGS GAPBlack-throated Blue Warbler (Setophaga caerulescens)Black-throated Blue WarblerSetophaga caerulescens · BirdsPhoto © Edward Perry IV · CC BY-NC 4.0Migratory range · USGS GAPBlack-throated Green Warbler (Setophaga virens)Black-throated Green WarblerSetophaga virens · BirdsPhoto © pinemartyn · CC BY-NC 4.0Migratory range · USGS GAPBlackburnian Warbler (Setophaga fusca)Blackburnian WarblerSetophaga fusca · BirdsPhoto © Matt Felperin · CC BY 4.0Migratory range · USGS GAPBlackpoll Warbler (Setophaga striata)Blackpoll WarblerSetophaga striata · BirdsPhoto © Frank Beres · CC BY-NC 4.0Migratory range · USGS GAPBlue Jay (Cyanocitta cristata)Blue JayCyanocitta cristata · BirdsPhoto © Judy Gallagher · CC BY 4.0Year-round range · USGS GAP

Showing 48 of 246

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