Massachusetts, US

State

36374 species observed across 5 groups · Pop. 7.0M

Ecoregions

Species observed

Increased Seasonal Activity

Currently Flowering

Birds· 1002 species

Mammals· 315 species

Plants· 10992 species

Reptiles & Amphibians

Fish

Insects· 20471 species

Other Invertebrates· 3594 species

Fungi & Lichens

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Counties in Massachusetts

Barnstable County, MAPop. 228.0KBerkshire County, MAPop. 128.6KBristol County, MAPop. 576.8KDukes County, MAPop. 20.6KEssex County, MAPop. 807.8KFranklin County, MAPop. 70.9KHampden County, MAPop. 464.3KHampshire County, MAPop. 146.6KMiddlesex County, MAPop. 1.6MNantucket County, MAPop. 14.2KNorfolk County, MAPop. 724.6KPlymouth County, MAPop. 530.2KSuffolk County, MAPop. 797.2KWorcester County, MAPop. 859.7K