Connecticut, US

State

48,453 species observed across 8 groups · Pop. 3.6M

Ecoregions

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Species observed

Birds· 1,039 species

Mammals· 325 species

Plants· 11,499 species

Reptiles & Amphibians· 421 species

Fish· 1,038 species

Insects· 21,024 species

Other Invertebrates· 3,825 species

Fungi & Lichens· 9,282 species

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Counties in Connecticut

Fairfield County, CTPop. 957.4KHartford County, CTPop. 899.5KLitchfield County, CTPop. 185.2KMiddlesex County, CTPop. 164.2KNew Haven County, CTPop. 864.8KNew London County, CTPop. 268.6KTolland County, CTPop. 149.8KWindham County, CTPop. 116.4K