Penobscot County

Ecosystem Overview

The Penobscot County ecosystem supports 100 documented wildlife species across 90 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 #4 for species diversity among 14 Penobscot County County natural areas, placing it in the 71th 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

#4 of 14 locations

71th 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.

Onoclea sensibilis

Polypod Brake

Very Common17 obs.

Cornus canadensis

Cornel-Berry

Very Common17 obs.

Bombus impatiens

Common Eastern Bumblebee

Very Common16 obs.

Symplocarpus foetidus

Skunk Cabbage

Very Common14 obs.

Rhus typhina

Staghorn sumac

Very Common12 obs.

Clintonia borealis

Bluebead Lily

Common12 obs.

Solanum dulcamara

bittersweet, woody nightshade

Common11 obs.

Aralia nudicaulis

Shotbush

Common11 obs.

Bombus perplexus

Confusing bumble bee

Common9 obs.

Asclepias syriaca

Virginia-Silk

Common9 obs.

Rhododendron canadense

Canadian Rhododendron

Common9 obs.

Bombus ternarius

Tricolored Bumble Bee

Occasional9 obs.

Osmunda spectabilis

American Royal Fern

Occasional8 obs.

Lythrum salicaria

purple loosestrife

Occasional8 obs.

Anas platyrhynchos

mallard

Occasional8 obs.

Larix laricina

Tamarack

Occasional8 obs.

Tanacetum vulgare

tansy

Occasional7 obs.

Thuja occidentalis

White Cedar

Rare7 obs.

Thamnophis sirtalis

Common Garter Snake

Rare7 obs.

Lithobates clamitans

Green Frog

Rare7 obs.

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Most Common Species

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Want the Complete Field Guide?

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Get Your Personalized Field Guide

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

$6.99

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

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$6.99

Regional Comparison

Regional Ranking

100

Species Count

+186%

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

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

Holbrook Pond

Importance: 0.35

3 species

+3233% 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

+186%

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

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

Holbrook Pond

Importance: 0.35

3 species

+3233% 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

#4 of 14 locations

71th percentile for diversity

vs. Bangor

0% species diversity

Most Common Species

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

Onoclea sensibilis

Polypod Brake

Very Common17 obs.

Cornus canadensis

Cornel-Berry

Very Common17 obs.

Bombus impatiens

Common Eastern Bumblebee

Very Common16 obs.

Symplocarpus foetidus

Skunk Cabbage

Very Common14 obs.

Rhus typhina

Staghorn sumac

Very Common12 obs.

Clintonia borealis

Bluebead Lily

Common12 obs.

Solanum dulcamara

bittersweet, woody nightshade

Common11 obs.

Aralia nudicaulis

Shotbush

Common11 obs.

Bombus perplexus

Confusing bumble bee

Common9 obs.

Asclepias syriaca

Virginia-Silk

Common9 obs.

Rhododendron canadense

Canadian Rhododendron

Common9 obs.

Bombus ternarius

Tricolored Bumble Bee

Occasional9 obs.

Osmunda spectabilis

American Royal Fern

Occasional8 obs.

Lythrum salicaria

purple loosestrife

Occasional8 obs.

Anas platyrhynchos

mallard

Occasional8 obs.

Larix laricina

Tamarack

Occasional8 obs.

Tanacetum vulgare

tansy

Occasional7 obs.

Thuja occidentalis

White Cedar

Rare7 obs.

Thamnophis sirtalis

Common Garter Snake

Rare7 obs.

Lithobates clamitans

Green Frog

Rare7 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.