Amaknak Island

Ecosystem Overview

The Amaknak Island ecosystem supports 100 documented wildlife species across 87 taxonomic genera. Located in Aleutians West Census Area, Alaska, 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 Umnak Island, Amaknak Island hosts 0% more species diversity. This location ranks #2 for species diversity among 4 Aleutians West Census Area County natural areas, placing it in the 50th 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 4 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 4 locations

50th percentile for diversity

vs. Umnak Island

+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.

Haliaeetus leucocephalus

Bald Eagle

Very Common5 obs.

Angelica lucida

seabeach angelica

Very Common5 obs.

Dactylorhiza aristata

Very Common5 obs.

Platanthera convallariifolia

Very Common4 obs.

Castilleja unalaschcensis

coastal paintbrush

Very Common4 obs.

Lupinus nootkatensis

Nootka Lupine

Common4 obs.

Silene acaulis

Moss Campion

Common3 obs.

Rhododendron camtschaticum

Common3 obs.

Erythranthe guttata

yellow monkeyflower

Common3 obs.

Neottia cordata

Heartleaf Twayblade

Common2 obs.

Malaxis monophyllos

White Malaxis

Common2 obs.

Poa alpina

bluegrass

Occasional2 obs.

Achillea millefolium

yarrow, milfoil

Occasional2 obs.

Tofieldia coccinea

northern false asphodel

Occasional2 obs.

Claytonia sibirica

pink purslane

Occasional2 obs.

Sibbaldia procumbens

Least Cinquefoil

Occasional2 obs.

Bistorta vivipara

Viviparous Knotweed

Occasional2 obs.

Honckenya peploides

Sea Sandwort

Rare2 obs.

Calcarius lapponicus

Lapland Longspur

Rare2 obs.

Balanus glandula

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

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Regional Comparison

Regional Ranking

100

Species Count

+194%

vs. Regional Average

Compared to 3 nearby locations in Aleutians West Census Area County, Alaska

Nearby Natural Areas

Adak Island

Importance: 0.39

2 species

+4900% vs. current

Unalaska Island

Importance: 0.39

100 species

0% vs. current

Tumdaanax Anii

Importance: 0.35

1 species

+9900% 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 Aleutians West Census Area 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

+194%

vs. Regional Average

Compared to 3 nearby locations in Aleutians West Census Area County, Alaska

Nearby Natural Areas

Adak Island

Importance: 0.39

2 species

+4900% vs. current

Unalaska Island

Importance: 0.39

100 species

0% vs. current

Tumdaanax Anii

Importance: 0.35

1 species

+9900% 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 4 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 4 locations

50th percentile for diversity

vs. Umnak Island

+0% species diversity

Most Common Species

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

Haliaeetus leucocephalus

Bald Eagle

Very Common5 obs.

Angelica lucida

seabeach angelica

Very Common5 obs.

Dactylorhiza aristata

Very Common5 obs.

Platanthera convallariifolia

Very Common4 obs.

Castilleja unalaschcensis

coastal paintbrush

Very Common4 obs.

Lupinus nootkatensis

Nootka Lupine

Common4 obs.

Silene acaulis

Moss Campion

Common3 obs.

Rhododendron camtschaticum

Common3 obs.

Erythranthe guttata

yellow monkeyflower

Common3 obs.

Neottia cordata

Heartleaf Twayblade

Common2 obs.

Malaxis monophyllos

White Malaxis

Common2 obs.

Poa alpina

bluegrass

Occasional2 obs.

Achillea millefolium

yarrow, milfoil

Occasional2 obs.

Tofieldia coccinea

northern false asphodel

Occasional2 obs.

Claytonia sibirica

pink purslane

Occasional2 obs.

Sibbaldia procumbens

Least Cinquefoil

Occasional2 obs.

Bistorta vivipara

Viviparous Knotweed

Occasional2 obs.

Honckenya peploides

Sea Sandwort

Rare2 obs.

Calcarius lapponicus

Lapland Longspur

Rare2 obs.

Balanus glandula

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.