Harwich

Ecosystem Overview

The Harwich ecosystem supports 100 documented wildlife species across 98 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 #12 for species diversity among 75 Barnstable County County natural areas, placing it in the 84th 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

#12

Regional Rank

Out of 75 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#12 of 75 locations

84th 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 Common81 obs.

Spizella passerina

Chipping Sparrow

Very Common6 obs.

Pandion haliaetus

osprey

Very Common5 obs.

Cygnus olor

Mute Swan

Very Common5 obs.

Sylvicola alternata

Very Common3 obs.

Busycon carica

Knobbed Whelk

Common3 obs.

Callinectes sapidus

blue swimming crab

Common3 obs.

Berteroa incana

hoary alison

Common3 obs.

Morone saxatilis

Rockfish

Common3 obs.

Helophilus fasciatus

Narrow-Headed Marsh Fly

Common3 obs.

Ardea herodias

Great Blue Heron

Common3 obs.

Spinus tristis

American goldfinch

Occasional3 obs.

Leucophaeus atricilla

Laughing Gull

Occasional3 obs.

Turdus migratorius

American Robin

Occasional3 obs.

Meleagris gallopavo

Turkey

Occasional3 obs.

Limulus polyphemus

horseshoe crab

Occasional3 obs.

Buteo jamaicensis

Red-tailed Hawk

Occasional3 obs.

Celithemis eponina

Halloween Pennant

Rare2 obs.

Xylocopa virginica

Carpenter bee

Rare2 obs.

Graphopsocus cruciatus

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 Harwich. Perfect for outdoor adventures, education, and nature exploration.

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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

Eastham

Importance: 0.35

100 species

0% vs. current

Falmouth

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

Eastham

Importance: 0.35

100 species

0% vs. current

Falmouth

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

#12

Regional Rank

Out of 75 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#12 of 75 locations

84th percentile for diversity

vs. Barnstable County

0% species diversity

Most Common Species

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

Pinus rigida

pitch pine

Very Common81 obs.

Spizella passerina

Chipping Sparrow

Very Common6 obs.

Pandion haliaetus

osprey

Very Common5 obs.

Cygnus olor

Mute Swan

Very Common5 obs.

Sylvicola alternata

Very Common3 obs.

Busycon carica

Knobbed Whelk

Common3 obs.

Callinectes sapidus

blue swimming crab

Common3 obs.

Berteroa incana

hoary alison

Common3 obs.

Morone saxatilis

Rockfish

Common3 obs.

Helophilus fasciatus

Narrow-Headed Marsh Fly

Common3 obs.

Ardea herodias

Great Blue Heron

Common3 obs.

Spinus tristis

American goldfinch

Occasional3 obs.

Leucophaeus atricilla

Laughing Gull

Occasional3 obs.

Turdus migratorius

American Robin

Occasional3 obs.

Meleagris gallopavo

Turkey

Occasional3 obs.

Limulus polyphemus

horseshoe crab

Occasional3 obs.

Buteo jamaicensis

Red-tailed Hawk

Occasional3 obs.

Celithemis eponina

Halloween Pennant

Rare2 obs.

Xylocopa virginica

Carpenter bee

Rare2 obs.

Graphopsocus cruciatus

Rare2 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.