Seneca 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: Sandusky
Land cover: farmland 78%, developed 12%, forest 9%
Elevation: 520 to 1,000 ft, mostly around 800 ft (159–306 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
- 16
- records, 2016 to 2025
- 3,598
Seneca County at a glance
Darker weeks have more of a group's species recorded. Shows when people recorded them, not how common they are.
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
234 species
Butterflies and moths 2
Dragonflies and damselflies 14
Within its mapped range 218
No qualifying county records yet, but its published range map covers the county.
Showing 48 of 234
More lists for Seneca County
Missing records do not mean a species is absent. Back to the Ohio map