Ottawa 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: Cedar-Portage, Lake Erie and Sandusky
Park: Ottawa National Wildlife Refuge
City and suburbs: Sandusky–Port Clinton
Land cover: farmland 62%, developed 20%, wetland 13%
Water covers 57% of the county.
Elevation: 410 to 710 ft, mostly around 590 ft (126–215 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
- 158
- records, 2016 to 2025
- 13,333
Ottawa 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
316 species
Amphibians 3



Bees, wasps and ants 3



Beetles 1

Birds 65









































Showing 48 of 316
More lists for Ottawa County
Missing records do not mean a species is absent. Back to the Ohio map