Eastham

Ecosystem Overview

The Eastham ecosystem supports 100 documented wildlife species across 89 taxonomic genera. Located in Barnstable County, Massachusetts, this area provides critical habitat with diverse natural communities. 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 #10 for species diversity among 75 Barnstable County County natural areas, placing it in the 87th 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

#10

Regional Rank

Out of 75 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#10 of 75 locations

87th percentile for diversity

vs. Barnstable County

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.

Pinus rigida

pitch pine

Very Common30 obs.

Dumetella carolinensis

Catbird

Very Common10 obs.

Baccharis halimifolia

Eastern baccharis

Very Common8 obs.

Melospiza melodia

Song Sparrow

Very Common8 obs.

Geothlypis trichas

Common Yellowthroat (Arizela Group)

Very Common7 obs.

Buteo jamaicensis

Red-tailed Hawk

Common6 obs.

Larus marinus

great black-backed gull

Common6 obs.

Cepaea nemoralis

Grovesnail

Common6 obs.

Phytolacca americana

American pokeweed

Common6 obs.

Setophaga petechia

Yellow Warbler

Common5 obs.

Larus smithsonianus

American Herring Gull

Common5 obs.

Artemisia vulgaris

mugwort

Occasional5 obs.

Argopecten irradians

Bay Scallop

Occasional5 obs.

Mya arenaria

Softshell clam

Occasional5 obs.

Littorina littorea

Common periwinkle

Occasional5 obs.

Danaus plexippus

monarch

Occasional4 obs.

Limonium carolinianum

Carolina sea-lavender

Occasional4 obs.

Juniperus virginiana

Red Cedar Juniper

Rare4 obs.

Cancer irroratus

Rock Crab

Rare4 obs.

Limulus polyphemus

horseshoe crab

Rare4 obs.

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Most Common Species

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Regional Comparison

Regional Ranking

100

Species Count

vs. Regional Average

Compared to 8 nearby locations in Barnstable County County, Massachusetts

Nearby Natural Areas

Barnstable County

Importance: 0.43

100 species

0% vs. current

Bourne

Importance: 0.36

100 species

0% vs. current

Dennis

Importance: 0.35

100 species

0% vs. current

Barnstable

Importance: 0.35

100 species

0% vs. current

Chatham

Importance: 0.35

100 species

0% vs. current

Brewster

Importance: 0.35

100 species

0% vs. current

Falmouth

Importance: 0.35

100 species

0% vs. current

Harwich

Importance: 0.35

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 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

100

Species Count

vs. Regional Average

Compared to 8 nearby locations in Barnstable County County, Massachusetts

Nearby Natural Areas

Barnstable County

Importance: 0.43

100 species

0% vs. current

Bourne

Importance: 0.36

100 species

0% vs. current

Dennis

Importance: 0.35

100 species

0% vs. current

Barnstable

Importance: 0.35

100 species

0% vs. current

Chatham

Importance: 0.35

100 species

0% vs. current

Brewster

Importance: 0.35

100 species

0% vs. current

Falmouth

Importance: 0.35

100 species

0% vs. current

Harwich

Importance: 0.35

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

#10

Regional Rank

Out of 75 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#10 of 75 locations

87th percentile for diversity

vs. Barnstable County

0% species diversity

horseshoe crab

Rare4 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.