Isle Au Haut

Ecosystem Overview

The Isle Au Haut ecosystem supports 100 documented wildlife species across 87 taxonomic genera. Located in Knox 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. Compared to nearby Rockland, Isle Au Haut hosts 203% more species diversity. This location ranks #3 for species diversity among 9 Knox County County natural areas, placing it in the 67th 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 9 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#3 of 9 locations

67th percentile for diversity

vs. Rockland

+203% 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.

Gaylussacia baccata

black huckleberry

Very Common10 obs.

Callicladium imponens

Brocade Moss

Very Common9 obs.

Kalmia angustifolia

Wicky

Very Common8 obs.

Symplocarpus foetidus

Skunk Cabbage

Very Common6 obs.

Spiraea alba

Meadowsweet

Very Common5 obs.

Pleurozium schreberi

Red-Stemmed Feather-Moss

Common4 obs.

Abies balsamea

Eastern Fir

Common4 obs.

Cornus canadensis

Cornel-Berry

Common4 obs.

Rubus hispidus

Hispid Swamp Blackberry

Common4 obs.

Drosera intermedia

oblong-leaved sundew

Common4 obs.

Bazzania trilobata

Threelobed Bazzania

Common4 obs.

Oxalis montana

White Wood-Sorrel

Occasional3 obs.

Monotropa uniflora

One-Flowered Indian Pipe

Occasional3 obs.

Oclemena nemoralis

Bog Aster

Occasional3 obs.

Linnaea borealis

twinflower

Occasional3 obs.

Nowellia curvifolia

wood rustwort

Occasional3 obs.

Pinus strobus

White Pine

Occasional3 obs.

Drosera rotundifolia

round-leaved sundew

Rare3 obs.

Tanacetum vulgare

tansy

Rare3 obs.

Vaccinium angustifolium

Sweet Lowbush Blueberry

Rare3 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 Isle Au Haut. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

100

Species Count

+186%

vs. Regional Average

Compared to 8 nearby locations in Knox County County, Maine

Nearby Natural Areas

Rockland

Importance: 0.40

33 species

+203% vs. current

Camden

Importance: 0.35

100 species

0% vs. current

Knox County

Importance: 0.35

100 species

0% vs. current

Long Pond

Importance: 0.35

5 species

+1900% vs. current

Alford Lake

Importance: 0.35

2 species

+4900% vs. current

Vinalhaven Island

Importance: 0.33

21 species

+376% vs. current

North Haven Island

Importance: 0.33

19 species

+426% vs. current

Clark Island

Importance: 0.33

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 Knox 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 Knox County County, Maine

Nearby Natural Areas

Rockland

Importance: 0.40

33 species

+203% vs. current

Camden

Importance: 0.35

100 species

0% vs. current

Knox County

Importance: 0.35

100 species

0% vs. current

Long Pond

Importance: 0.35

5 species

+1900% vs. current

Alford Lake

Importance: 0.35

2 species

+4900% vs. current

Vinalhaven Island

Importance: 0.33

21 species

+376% vs. current

North Haven Island

Importance: 0.33

19 species

+426% vs. current

Clark Island

Importance: 0.33

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 9 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#3 of 9 locations

67th percentile for diversity

vs. Rockland

+203% species diversity

Most Common Species

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

Gaylussacia baccata

black huckleberry

Very Common10 obs.

Callicladium imponens

Brocade Moss

Very Common9 obs.

Kalmia angustifolia

Wicky

Very Common8 obs.

Symplocarpus foetidus

Skunk Cabbage

Very Common6 obs.

Spiraea alba

Meadowsweet

Very Common5 obs.

Pleurozium schreberi

Red-Stemmed Feather-Moss

Common4 obs.

Abies balsamea

Eastern Fir

Common4 obs.

Cornus canadensis

Cornel-Berry

Common4 obs.

Rubus hispidus

Hispid Swamp Blackberry

Common4 obs.

Drosera intermedia

oblong-leaved sundew

Common4 obs.

Bazzania trilobata

Threelobed Bazzania

Common4 obs.

Oxalis montana

White Wood-Sorrel

Occasional3 obs.

Monotropa uniflora

One-Flowered Indian Pipe

Occasional3 obs.

Oclemena nemoralis

Bog Aster

Occasional3 obs.

Linnaea borealis

twinflower

Occasional3 obs.

Nowellia curvifolia

wood rustwort

Occasional3 obs.

Pinus strobus

White Pine

Occasional3 obs.

Drosera rotundifolia

round-leaved sundew

Rare3 obs.

Tanacetum vulgare

tansy

Rare3 obs.

Vaccinium angustifolium

Sweet Lowbush Blueberry

Rare3 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.