Oregon, US

State

45,022 species observed across 8 groups · Pop. 4.2M

Ecoregions

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Species observed

Birds· 1,068 species

Mammals· 377 species

Plants· 14,040 species

Reptiles & Amphibians· 321 species

Fish· 727 species

Insects· 16,238 species

Other Invertebrates· 3,949 species

Fungi & Lichens· 8,302 species

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Counties in Oregon

Baker County, ORPop. 16.7KBenton County, ORPop. 95.2KClackamas County, ORPop. 422.5KClatsop County, ORPop. 41.2KColumbia County, ORPop. 52.7KCoos County, ORPop. 65.0KCrook County, ORPop. 24.9KCurry County, ORPop. 23.5KDeschutes County, ORPop. 199.5KDouglas County, ORPop. 111.3KGilliam County, ORPop. 2.0KGrant County, ORPop. 7.2KHarney County, ORPop. 7.5KHood River County, ORPop. 24.0KJackson County, ORPop. 223.6KJefferson County, ORPop. 24.6KJosephine County, ORPop. 88.2KKlamath County, ORPop. 69.6KLake County, ORPop. 8.2KLane County, ORPop. 383.3KLincoln County, ORPop. 50.5KLinn County, ORPop. 129.0KMalheur County, ORPop. 31.6KMarion County, ORPop. 346.4KMorrow County, ORPop. 12.2KMultnomah County, ORPop. 816.5KPolk County, ORPop. 88.0KSherman County, ORPop. 1.9KTillamook County, ORPop. 27.5KUmatilla County, ORPop. 80.1KUnion County, ORPop. 26.2KWallowa County, ORPop. 7.4KWasco County, ORPop. 26.6KWashington County, ORPop. 601.1KWheeler County, ORPop. 1.5KYamhill County, ORPop. 107.9K