York

Ecosystem Overview

The York ecosystem supports 100 documented wildlife species across 87 taxonomic genera. Located in York 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 Kittery, York hosts 4% more species diversity. This location ranks #7 for species diversity among 33 York County County natural areas, placing it in the 79th 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 33 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#7 of 33 locations

79th percentile for diversity

vs. Kittery

+4% 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.

Spisula solidissima

Atlantic Surf Clam

Very Common26 obs.

Nucella lapillus

northern dog whelk

Very Common16 obs.

Crepidula fornicata

Common Atlantic Slippersnail

Very Common15 obs.

Littorina littorea

Common periwinkle

Very Common14 obs.

Carcinus maenas

European green crab

Very Common14 obs.

Larus smithsonianus

American Herring Gull

Common13 obs.

Somateria mollissima

Common Eider

Common10 obs.

Modiolus modiolus

Horse-mussel

Common9 obs.

Cancer irroratus

Rock Crab

Common7 obs.

Siliqua costata

Atlantic razor

Common7 obs.

Larus delawarensis

Ring-billed Gull

Common7 obs.

Cancer borealis

Jonah Crab

Occasional7 obs.

Passer domesticus

House Sparrow

Occasional6 obs.

Hemigrapsus sanguineus

Japanese shore crab

Occasional6 obs.

Rosa rugosa

japanese rose

Occasional5 obs.

Anas rubripes

American Black Duck

Occasional5 obs.

Ensis leei

Jack knife clam

Occasional5 obs.

Chondrus crispus

Irish Moss, Carragheen

Rare5 obs.

Semibalanus balanoides

Acorn Barnacle

Rare5 obs.

Bucephala albeola

Bufflehead

Rare4 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 York. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

100

Species Count

+18%

vs. Regional Average

Compared to 8 nearby locations in York County County, Maine

Nearby Natural Areas

Kittery

Importance: 0.43

96 species

+4% vs. current

Biddeford

Importance: 0.42

100 species

0% vs. current

Kennebunk

Importance: 0.40

100 species

0% vs. current

Saco

Importance: 0.39

100 species

0% vs. current

York County

Importance: 0.38

100 species

0% vs. current

Kennebunkport

Importance: 0.38

17 species

+488% vs. current

Wells

Importance: 0.38

100 species

0% vs. current

Sanford

Importance: 0.37

64 species

+56% 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 York 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

+18%

vs. Regional Average

Compared to 8 nearby locations in York County County, Maine

Nearby Natural Areas

Kittery

Importance: 0.43

96 species

+4% vs. current

Biddeford

Importance: 0.42

100 species

0% vs. current

Kennebunk

Importance: 0.40

100 species

0% vs. current

Saco

Importance: 0.39

100 species

0% vs. current

York County

Importance: 0.38

100 species

0% vs. current

Kennebunkport

Importance: 0.38

17 species

+488% vs. current

Wells

Importance: 0.38

100 species

0% vs. current

Sanford

Importance: 0.37

64 species

+56% 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 33 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#7 of 33 locations

79th percentile for diversity

vs. Kittery

+4% species diversity

Most Common Species

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

Spisula solidissima

Atlantic Surf Clam

Very Common26 obs.

Nucella lapillus

northern dog whelk

Very Common16 obs.

Crepidula fornicata

Common Atlantic Slippersnail

Very Common15 obs.

Littorina littorea

Common periwinkle

Very Common14 obs.

Carcinus maenas

European green crab

Very Common14 obs.

Larus smithsonianus

American Herring Gull

Common13 obs.

Somateria mollissima

Common Eider

Common10 obs.

Modiolus modiolus

Horse-mussel

Common9 obs.

Cancer irroratus

Rock Crab

Common7 obs.

Siliqua costata

Atlantic razor

Common7 obs.

Larus delawarensis

Ring-billed Gull

Common7 obs.

Cancer borealis

Jonah Crab

Occasional7 obs.

Passer domesticus

House Sparrow

Occasional6 obs.

Hemigrapsus sanguineus

Japanese shore crab

Occasional6 obs.

Rosa rugosa

japanese rose

Occasional5 obs.

Anas rubripes

American Black Duck

Occasional5 obs.

Ensis leei

Jack knife clam

Occasional5 obs.

Chondrus crispus

Irish Moss, Carragheen

Rare5 obs.

Semibalanus balanoides

Acorn Barnacle

Rare5 obs.

Bucephala albeola

Bufflehead

Rare4 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.