Holden

Ecosystem Overview

The Holden ecosystem supports 85 documented wildlife species across 77 taxonomic genera. Located in Massachusetts, this area provides critical habitat for regional wildlife. The location hosts 18 frequently observed species and 16 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Massachusetts nearby has 15% more documented species, Holden offers unique wildlife observation opportunities. This location ranks #175 for species diversity among 710 Massachusetts natural areas, placing it in the 75th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#175

Regional Rank

Out of 710 locations

Species Distribution

Very Common18 species

Common25 species

Occasional26 species

Rare16 species

Regional Context

Regional Ranking

#175 of 710 locations

75th percentile for diversity

vs. Massachusetts

-15% 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 85 total documented species.

Acer rubrum

Maple

Very Common5 obs.

Aralia nudicaulis

Shotbush

Very Common4 obs.

Gaultheria procumbens

Mountain-Tea

Very Common4 obs.

Maianthemum canadense

Canadian May-Lily

Very Common4 obs.

Eriophorum virginicum

Tawny Cotton-Grass

Very Common3 obs.

Kalmia angustifolia

Wicky

Common3 obs.

Vaccinium macrocarpon

Cranberry

Common3 obs.

Decodon verticillatus

Hairy Swamp Loosestrife

Common3 obs.

Ilex verticillata

Winterberry

Common3 obs.

Osmundastrum cinnamomeum

Buckhorn

Common3 obs.

Chamaedaphne calyculata

Dwarf Cassandra

Common3 obs.

Larix laricina

Tamarack

Occasional2 obs.

Liriomyza eupatorii

Occasional2 obs.

Cypripedium acaule

Lady'S-Slipper Orchid

Occasional2 obs.

Monotropa uniflora

One-Flowered Indian Pipe

Occasional2 obs.

Clethra alnifolia

Sweet Pepperbush

Occasional2 obs.

Kalmia latifolia

Mountain-Laurel

Occasional2 obs.

Kalmia polifolia

Swamp Laurel

Rare2 obs.

Brasenia schreberi

Schreber'S Watershield

Rare2 obs.

Phytomyza aralivora

Rare2 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 Holden. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

-15%

vs. Regional Average

Compared to 8 nearby locations in Massachusetts

Nearby Natural Areas

Massachusetts

Importance: 0.78

100 species

-15% vs. current

Boston

Importance: 0.73

100 species

-15% vs. current

Cambridge

Importance: 0.57

100 species

-15% vs. current

Worcester

Importance: 0.54

100 species

-15% vs. current

Quincy

Importance: 0.49

100 species

-15% vs. current

Lowell

Importance: 0.49

100 species

-15% vs. current

Newton

Importance: 0.48

100 species

-15% vs. current

Worcester County

Importance: 0.48

100 species

-15% 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

Species Count

-15%

vs. Regional Average

Compared to 8 nearby locations in Massachusetts

Nearby Natural Areas

Massachusetts

Importance: 0.78

100 species

-15% vs. current

Boston

Importance: 0.73

100 species

-15% vs. current

Cambridge

Importance: 0.57

100 species

-15% vs. current

Worcester

Importance: 0.54

100 species

-15% vs. current

Quincy

Importance: 0.49

100 species

-15% vs. current

Lowell

Importance: 0.49

100 species

-15% vs. current

Newton

Importance: 0.48

100 species

-15% vs. current

Worcester County

Importance: 0.48

100 species

-15% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#175

Regional Rank

Out of 710 locations

Species Distribution

Very Common18 species

Common25 species

Occasional26 species

Rare16 species

Regional Context

Regional Ranking

#175 of 710 locations

75th percentile for diversity

vs. Massachusetts

-15% species diversity

Most Common Species

Showing 20 most frequently observed species out of 85 total documented species.

Acer rubrum

Maple

Very Common5 obs.

Aralia nudicaulis

Shotbush

Very Common4 obs.

Gaultheria procumbens

Mountain-Tea

Very Common4 obs.

Maianthemum canadense

Canadian May-Lily

Very Common4 obs.

Eriophorum virginicum

Tawny Cotton-Grass

Very Common3 obs.

Kalmia angustifolia

Wicky

Common3 obs.

Vaccinium macrocarpon

Cranberry

Common3 obs.

Decodon verticillatus

Hairy Swamp Loosestrife

Common3 obs.

Ilex verticillata

Winterberry

Common3 obs.

Osmundastrum cinnamomeum

Buckhorn

Common3 obs.

Chamaedaphne calyculata

Dwarf Cassandra

Common3 obs.

Larix laricina

Tamarack

Occasional2 obs.

Liriomyza eupatorii

Occasional2 obs.

Cypripedium acaule

Lady'S-Slipper Orchid

Occasional2 obs.

Monotropa uniflora

One-Flowered Indian Pipe

Occasional2 obs.

Clethra alnifolia

Sweet Pepperbush

Occasional2 obs.

Kalmia latifolia

Mountain-Laurel

Occasional2 obs.

Kalmia polifolia

Swamp Laurel

Rare2 obs.

Brasenia schreberi

Schreber'S Watershield

Rare2 obs.

Phytomyza aralivora

Rare2 obs.

Want the Complete Field Guide?

Get all 85 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.