South Monomoy Island

Ecosystem Overview

The South Monomoy Island ecosystem supports 62 documented wildlife species across 60 taxonomic genera. Located in Barnstable County, Massachusetts, this area provides critical habitat with diverse natural communities. The location hosts 13 frequently observed species and 12 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Barnstable County nearby has 38% more documented species, South Monomoy Island offers unique wildlife observation opportunities. This location ranks #18 for species diversity among 75 Barnstable County County natural areas, placing it in the 76th 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

#18

Regional Rank

Out of 75 locations

Species Distribution

Very Common13 species

Common19 species

Occasional18 species

Rare12 species

Regional Context

Regional Ranking

#18 of 75 locations

76th percentile for diversity

vs. Barnstable County

-38% 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 62 total documented species.

Sterna hirundo

common tern

Very Common6 obs.

Haematopus palliatus

American Oystercatcher

Very Common4 obs.

Anaxyrus fowleri

fowler's toad

Very Common3 obs.

Celastrus orbiculatus

Asian Bittersweet

Very Common2 obs.

Cingilia catenaria

Chainspotted Geometer

Very Common2 obs.

Limulus polyphemus

horseshoe crab

Common2 obs.

Aedes sollicitans

Saltmarsh Mosquito

Common1 obs.

Bay Scallop

Rare1 obs.

Trirhabda canadensis

Rare1 obs.

Cicindela hirticollis

Hairy-Necked Tiger Beetle

Rare1 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 South Monomoy Island. Perfect for outdoor adventures, education, and nature exploration.

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

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Regional Comparison

Regional Ranking

Species Count

-38%

vs. Regional Average

Compared to 8 nearby locations in Barnstable County County, Massachusetts

Nearby Natural Areas

Barnstable County

Importance: 0.43

100 species

-38% vs. current

Bourne

Importance: 0.36

100 species

-38% vs. current

Dennis

Importance: 0.35

100 species

-38% vs. current

Barnstable

Importance: 0.35

100 species

-38% vs. current

Chatham

Importance: 0.35

100 species

-38% vs. current

Brewster

Importance: 0.35

100 species

-38% vs. current

Eastham

Importance: 0.35

100 species

-38% vs. current

Falmouth

Importance: 0.35

100 species

-38% 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 Barnstable County County.

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

-38%

vs. Regional Average

Compared to 8 nearby locations in Barnstable County County, Massachusetts

Nearby Natural Areas

Barnstable County

Importance: 0.43

100 species

-38% vs. current

Bourne

Importance: 0.36

100 species

-38% vs. current

Dennis

Importance: 0.35

100 species

-38% vs. current

Barnstable

Importance: 0.35

100 species

-38% vs. current

Chatham

Importance: 0.35

100 species

-38% vs. current

Brewster

Importance: 0.35

100 species

-38% vs. current

Eastham

Importance: 0.35

100 species

-38% vs. current

Falmouth

Importance: 0.35

100 species

-38% 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

#18

Regional Rank

Out of 75 locations

Species Distribution

Very Common13 species

Common19 species

Occasional18 species

Rare12 species

Regional Context

Regional Ranking

#18 of 75 locations

76th percentile for diversity

vs. Barnstable County

-38% species diversity

Most Common Species

Showing 20 most frequently observed species out of 62 total documented species.

Sterna hirundo

common tern

Very Common6 obs.

Haematopus palliatus

American Oystercatcher

Very Common4 obs.

Anaxyrus fowleri

fowler's toad

Very Common3 obs.

Celastrus orbiculatus

Asian Bittersweet

Very Common2 obs.

Cingilia catenaria

Chainspotted Geometer

Very Common2 obs.

Limulus polyphemus

horseshoe crab

Common2 obs.

Aedes sollicitans

Saltmarsh Mosquito

Common1 obs.

Bay Scallop

Rare1 obs.

Trirhabda canadensis

Rare1 obs.

Cicindela hirticollis

Hairy-Necked Tiger Beetle

Rare1 obs.

Want the Complete Field Guide?

Get all 62 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.