Worcester County

Ecosystem Overview

The Worcester County ecosystem supports 100 documented wildlife species across 85 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 #44 for species diversity among 710 Massachusetts natural areas, placing it in the 94th 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

#44

Regional Rank

Out of 710 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#44 of 710 locations

94th percentile for diversity

vs. Massachusetts

0% species diversity

Ecosystem Overview

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Biodiversity Highlights

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Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

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Most Common Species

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

Seiurus aurocapilla

Ovenbird

Very Common1,217 obs.

Vireo olivaceus

Red-eyed Vireo

Very Common866 obs.

Catharus fuscescens

Veery

Very Common503 obs.

Mniotilta varia

Black-and-white Warbler

Very Common326 obs.

Pipilo erythrophthalmus

Eastern Towhee

Very Common293 obs.

Contopus virens

Eastern Wood-Pewee

Common291 obs.

Setophaga ruticilla

American Redstart

Common276 obs.

Setophaga virens

Black-Throated Green Warbler

Common273 obs.

Setophaga pinus

Pine Warbler

Common269 obs.

Geothlypis trichas

Common Yellowthroat (Arizela Group)

Common259 obs.

Setophaga caerulescens

Black-Throated Blue Warbler

Common255 obs.

Piranga olivacea

Scarlet Tanager

Occasional234 obs.

Plethodon cinereus

Eastern Red-Backed Salamander

Occasional218 obs.

Spizella passerina

Chipping Sparrow

Occasional166 obs.

Poecile atricapillus

Black-capped chickadee

Occasional159 obs.

Sphyrapicus varius

yellow-bellied sapsucker

Occasional141 obs.

Pinus strobus

White Pine

Occasional117 obs.

Setophaga pensylvanica

Chestnut-sided Warbler

Rare116 obs.

Setophaga fusca

Blackburnian Warbler

Rare109 obs.

Lithobates sylvaticus

Wood Frog

Rare104 obs.

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Most Common Species

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Get Your Personalized Field Guide

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

$6.99

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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

Nantucket County

Importance: 0.47

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

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Regional Ranking

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Species Count

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vs. Regional Average

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Nearby Natural Areas

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About This Comparison

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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

Nantucket County

Importance: 0.47

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

#44

Regional Rank

Out of 710 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#44 of 710 locations

94th percentile for diversity

vs. Massachusetts

0% species diversity

Most Common Species

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

Seiurus aurocapilla

Ovenbird

Very Common1,217 obs.

Vireo olivaceus

Red-eyed Vireo

Very Common866 obs.

Catharus fuscescens

Veery

Very Common503 obs.

Mniotilta varia

Black-and-white Warbler

Very Common326 obs.

Pipilo erythrophthalmus

Eastern Towhee

Very Common293 obs.

Contopus virens

Eastern Wood-Pewee

Common291 obs.

Setophaga ruticilla

American Redstart

Common276 obs.

Setophaga virens

Black-Throated Green Warbler

Common273 obs.

Setophaga pinus

Pine Warbler

Common269 obs.

Geothlypis trichas

Common Yellowthroat (Arizela Group)

Common259 obs.

Setophaga caerulescens

Black-Throated Blue Warbler

Common255 obs.

Piranga olivacea

Scarlet Tanager

Occasional234 obs.

Plethodon cinereus

Eastern Red-Backed Salamander

Occasional218 obs.

Spizella passerina

Chipping Sparrow

Occasional166 obs.

Poecile atricapillus

Black-capped chickadee

Occasional159 obs.

Sphyrapicus varius

yellow-bellied sapsucker

Occasional141 obs.

Pinus strobus

White Pine

Occasional117 obs.

Setophaga pensylvanica

Chestnut-sided Warbler

Rare116 obs.

Setophaga fusca

Blackburnian Warbler

Rare109 obs.

Lithobates sylvaticus

Wood Frog

Rare104 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.