Marsh Island

Ecosystem Overview

The Marsh Island ecosystem supports 100 documented wildlife species across 95 taxonomic genera. Located in Penobscot County, Maine, 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 #2 for species diversity among 14 Penobscot County County natural areas, placing it in the 86th 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

Regional Rank

Out of 14 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 14 locations

86th percentile for diversity

vs. Bangor

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.

Bombus impatiens

Common Eastern Bumblebee

Very Common7 obs.

Tanacetum vulgare

tansy

Very Common3 obs.

Storeria occipitomaculata

Redbelly Snake

Very Common3 obs.

Rhus typhina

Staghorn sumac

Very Common3 obs.

Odocoileus virginianus

Key Deer

Very Common3 obs.

Apis mellifera

Western Honey Bee

Common3 obs.

Onoclea sensibilis

Polypod Brake

Common3 obs.

Danaus plexippus

monarch

Common3 obs.

Thuja occidentalis

White Cedar

Common2 obs.

Thamnophis sirtalis

Common Garter Snake

Common2 obs.

Dermacentor variabilis

American Dog Tick

Common2 obs.

Cirsium arvense

Creeping Thistle

Occasional2 obs.

Ectobius lapponicus

dusky cockroach

Occasional2 obs.

Reynoutria japonica

Japanese Knotweed

Occasional2 obs.

Hylotelephium telephium

Witch'S Moneybags

Occasional2 obs.

Solanum dulcamara

bittersweet, woody nightshade

Occasional2 obs.

Impatiens capensis

orange balsam

Occasional2 obs.

Prunus virginiana

Common Chokecherry

Rare2 obs.

Bombus ternarius

Tricolored Bumble Bee

Rare2 obs.

Bombus perplexus

Confusing bumble bee

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 Marsh Island. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+113%

vs. Regional Average

Compared to 8 nearby locations in Penobscot County County, Maine

Nearby Natural Areas

Bangor

Importance: 0.48

100 species

0% vs. current

Orono

Importance: 0.41

100 species

0% vs. current

Brewer

Importance: 0.40

8 species

+1150% vs. current

Penobscot County

Importance: 0.38

100 species

0% vs. current

Old Town

Importance: 0.38

52 species

+92% vs. current

Millinocket

Importance: 0.37

2 species

+4900% vs. current

Sebasticook Lake

Importance: 0.35

9 species

+1011% vs. current

Fields Pond

Importance: 0.35

3 species

+3233% 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 Penobscot 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

+113%

vs. Regional Average

Compared to 8 nearby locations in Penobscot County County, Maine

Nearby Natural Areas

Bangor

Importance: 0.48

100 species

0% vs. current

Orono

Importance: 0.41

100 species

0% vs. current

Brewer

Importance: 0.40

8 species

+1150% vs. current

Penobscot County

Importance: 0.38

100 species

0% vs. current

Old Town

Importance: 0.38

52 species

+92% vs. current

Millinocket

Importance: 0.37

2 species

+4900% vs. current

Sebasticook Lake

Importance: 0.35

9 species

+1011% vs. current

Fields Pond

Importance: 0.35

3 species

+3233% 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

Regional Rank

Out of 14 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 14 locations

86th percentile for diversity

vs. Bangor

0% species diversity

Most Common Species

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

Bombus impatiens

Common Eastern Bumblebee

Very Common7 obs.

Tanacetum vulgare

tansy

Very Common3 obs.

Storeria occipitomaculata

Redbelly Snake

Very Common3 obs.

Rhus typhina

Staghorn sumac

Very Common3 obs.

Odocoileus virginianus

Key Deer

Very Common3 obs.

Apis mellifera

Western Honey Bee

Common3 obs.

Onoclea sensibilis

Polypod Brake

Common3 obs.

Danaus plexippus

monarch

Common3 obs.

Thuja occidentalis

White Cedar

Common2 obs.

Thamnophis sirtalis

Common Garter Snake

Common2 obs.

Dermacentor variabilis

American Dog Tick

Common2 obs.

Cirsium arvense

Creeping Thistle

Occasional2 obs.

Ectobius lapponicus

dusky cockroach

Occasional2 obs.

Reynoutria japonica

Japanese Knotweed

Occasional2 obs.

Hylotelephium telephium

Witch'S Moneybags

Occasional2 obs.

Solanum dulcamara

bittersweet, woody nightshade

Occasional2 obs.

Impatiens capensis

orange balsam

Occasional2 obs.

Prunus virginiana

Common Chokecherry

Rare2 obs.

Bombus ternarius

Tricolored Bumble Bee

Rare2 obs.

Bombus perplexus

Confusing bumble bee

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.