Essex County

Ecosystem Overview

The Essex County ecosystem supports 100 documented wildlife species across 92 taxonomic genera. Located in Massachusetts, this area provides critical habitat for regional wildlife. The location hosts 21 frequently observed species and 19 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. This location ranks #80 for species diversity among 710 Massachusetts natural areas, placing it in the 89th percentile for biodiversity.

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#80

Regional Rank

Out of 710 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#80 of 710 locations

89th percentile for diversity

vs. Massachusetts

0% species diversity

Ecosystem Overview

‌
‌
‌
‌

Biodiversity Highlights

‌

Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

‌

Most Common Species

Showing 20 most frequently observed species out of 100 total documented species.

Pinus strobus

White Pine

Very Common69 obs.

Bombus impatiens

Common Eastern Bumblebee

Very Common69 obs.

Anas platyrhynchos

mallard

Very Common68 obs.

Carcinus maenas

European green crab

Very Common67 obs.

Alliaria petiolata

garlic mustard

Very Common67 obs.

Chimaphila maculata

Spotted Pipsissewa

Common64 obs.

Larus smithsonianus

American Herring Gull

Common63 obs.

Danaus plexippus

monarch

Common60 obs.

Meleagris gallopavo

Turkey

Common58 obs.

Symplocarpus foetidus

Skunk Cabbage

Common58 obs.

Somateria mollissima

Common Eider

Common54 obs.

Maianthemum canadense

Canadian May-Lily

Occasional52 obs.

Turdus migratorius

American Robin

Occasional50 obs.

Littorina littorea

Common periwinkle

Occasional49 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Occasional47 obs.

Cancer irroratus

Rock Crab

Occasional46 obs.

Spisula solidissima

Atlantic Surf Clam

Occasional45 obs.

Branta canadensis

Canada goose

Rare43 obs.

Asclepias syriaca

Virginia-Silk

Rare41 obs.

Reynoutria japonica

Japanese Knotweed

Rare40 obs.

Want the Complete Field Guide?

Get all 100 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.

Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.

Most Common Species

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

Want the Complete Field Guide?

‌
‌

‌

Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Essex County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Essex County. Perfect for outdoor adventures, education, and nature exploration.

Email Address (for delivery)

Your field guide will be delivered to this email address. Please double-check for accuracy.

$6.99

Regional Comparison

Regional Ranking

100

Species Count

vs. Regional Average

Compared to 8 nearby locations in Massachusetts

Nearby Natural Areas

Massachusetts

Importance: 0.78

100 species

0% vs. current

Boston

Importance: 0.73

100 species

0% vs. current

Cambridge

Importance: 0.57

100 species

0% vs. current

Worcester

Importance: 0.54

100 species

0% vs. current

Quincy

Importance: 0.49

100 species

0% vs. current

Lowell

Importance: 0.49

100 species

0% vs. current

Newton

Importance: 0.48

100 species

0% vs. current

Worcester County

Importance: 0.48

100 species

0% vs. current

About This Comparison

These comparisons are based on documented wildlife observations from citizen science data. Locations with higher species counts may have more observation activity, different habitat types, or larger coverage areas. Regional rankings help identify biodiversity hotspots and unique natural areas within Massachusetts.

Regional Comparison

‌

Regional Ranking

‌

Species Count

‌

vs. Regional Average

‌

Nearby Natural Areas

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

About This Comparison

‌
‌
‌

Regional Comparison

Regional Ranking

100

Species Count

vs. Regional Average

Compared to 8 nearby locations in Massachusetts

Nearby Natural Areas

Massachusetts

Importance: 0.78

100 species

0% vs. current

Boston

Importance: 0.73

100 species

0% vs. current

Cambridge

Importance: 0.57

100 species

0% vs. current

Worcester

Importance: 0.54

100 species

0% vs. current

Quincy

Importance: 0.49

100 species

0% vs. current

Lowell

Importance: 0.49

100 species

0% vs. current

Newton

Importance: 0.48

100 species

0% vs. current

Worcester County

Importance: 0.48

100 species

0% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#80

Regional Rank

Out of 710 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#80 of 710 locations

89th percentile for diversity

vs. Massachusetts

0% species diversity

Most Common Species

Showing 20 most frequently observed species out of 100 total documented species.

Pinus strobus

White Pine

Very Common69 obs.

Bombus impatiens

Common Eastern Bumblebee

Very Common69 obs.

Anas platyrhynchos

mallard

Very Common68 obs.

Carcinus maenas

European green crab

Very Common67 obs.

Alliaria petiolata

garlic mustard

Very Common67 obs.

Chimaphila maculata

Spotted Pipsissewa

Common64 obs.

Larus smithsonianus

American Herring Gull

Common63 obs.

Danaus plexippus

monarch

Common60 obs.

Meleagris gallopavo

Turkey

Common58 obs.

Symplocarpus foetidus

Skunk Cabbage

Common58 obs.

Somateria mollissima

Common Eider

Common54 obs.

Maianthemum canadense

Canadian May-Lily

Occasional52 obs.

Turdus migratorius

American Robin

Occasional50 obs.

Littorina littorea

Common periwinkle

Occasional49 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Occasional47 obs.

Cancer irroratus

Rock Crab

Occasional46 obs.

Spisula solidissima

Atlantic Surf Clam

Occasional45 obs.

Branta canadensis

Canada goose

Rare43 obs.

Asclepias syriaca

Virginia-Silk

Rare41 obs.

Reynoutria japonica

Japanese Knotweed

Rare40 obs.

Want the Complete Field Guide?

Get all 100 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.

Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.