Old Field

Ecosystem Overview

The Old Field ecosystem supports 79 documented wildlife species across 74 taxonomic genera. Located in Suffolk County, New York, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Suffolk County nearby has 21% more documented species, Old Field offers unique wildlife observation opportunities. This location ranks #4 for species diversity among 64 Suffolk County County natural areas, placing it in the 94th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 64 locations

Species Distribution

Very Common16 species

Common24 species

Occasional24 species

Rare15 species

Regional Context

Regional Ranking

#4 of 64 locations

94th percentile for diversity

vs. Suffolk County

-21% 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 79 total documented species.

Busycon carica

Knobbed Whelk

Very Common5 obs.

Leptuca pugilator

Atlantic Sand Fiddler Crab

Very Common4 obs.

Clathria prolifera

Red Beard Sponge

Very Common3 obs.

Fundulus heteroclitus

Killifish

Very Common3 obs.

Persicaria perfoliata

Asiatic Tearthumb

Very Common3 obs.

Anadara transversa

transverse ark

Common3 obs.

Carcinus maenas

European green crab

Common3 obs.

Minuca pugnax

Mud Fiddler Crab

Common3 obs.

Urosalpinx cinerea

American Sting Winkle

Common2 obs.

Busycotypus canaliculatus

channeled whelk

Common2 obs.

Libinia emarginata

Portly Spider Crab

Common2 obs.

Callinectes sapidus

blue swimming crab

Occasional2 obs.

Pagurus longicarpus

Long-Clawed Hermit Crab

Occasional2 obs.

Syngnathus fuscus

Northern Pipefish

Occasional2 obs.

Anomia simplex

Common Jingle Shell

Occasional2 obs.

Juniperus virginiana

Red Cedar Juniper

Occasional2 obs.

Larus marinus

great black-backed gull

Occasional2 obs.

Lathyrus japonicus

sea pea

Rare2 obs.

Limulus polyphemus

horseshoe crab

Rare2 obs.

Polistes exclamans

Rare1 obs.

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Most Common Species

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

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Regional Comparison

Regional Ranking

Species Count

+182%

vs. Regional Average

Compared to 8 nearby locations in Suffolk County County, New York

Nearby Natural Areas

Suffolk County

Importance: 0.50

100 species

-21% vs. current

Patchogue

Importance: 0.40

2 species

+3850% vs. current

Village Of East Hampton

Importance: 0.40

25 species

+216% vs. current

Amityville

Importance: 0.39

6 species

+1217% vs. current

Port Jefferson

Importance: 0.37

12 species

+558% vs. current

Poquott

Importance: 0.37

27 species

+193% vs. current

Quogue

Importance: 0.37

52 species

+52% vs. current

Sagaponack

Importance: 0.36

1 species

+7800% 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 Suffolk 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

Species Count

+182%

vs. Regional Average

Compared to 8 nearby locations in Suffolk County County, New York

Nearby Natural Areas

Suffolk County

Importance: 0.50

100 species

-21% vs. current

Patchogue

Importance: 0.40

2 species

+3850% vs. current

Village Of East Hampton

Importance: 0.40

25 species

+216% vs. current

Amityville

Importance: 0.39

6 species

+1217% vs. current

Port Jefferson

Importance: 0.37

12 species

+558% vs. current

Poquott

Importance: 0.37

27 species

+193% vs. current

Quogue

Importance: 0.37

52 species

+52% vs. current

Sagaponack

Importance: 0.36

1 species

+7800% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 64 locations

Species Distribution

Very Common16 species

Common24 species

Occasional24 species

Rare15 species

Regional Context

Regional Ranking

#4 of 64 locations

94th percentile for diversity

vs. Suffolk County

-21% species diversity

Most Common Species

Showing 20 most frequently observed species out of 79 total documented species.

Busycon carica

Knobbed Whelk

Very Common5 obs.

Leptuca pugilator

Atlantic Sand Fiddler Crab

Very Common4 obs.

Clathria prolifera

Red Beard Sponge

Very Common3 obs.

Fundulus heteroclitus

Killifish

Very Common3 obs.

Persicaria perfoliata

Asiatic Tearthumb

Very Common3 obs.

Anadara transversa

transverse ark

Common3 obs.

Carcinus maenas

European green crab

Common3 obs.

Minuca pugnax

Mud Fiddler Crab

Common3 obs.

Urosalpinx cinerea

American Sting Winkle

Common2 obs.

Busycotypus canaliculatus

channeled whelk

Common2 obs.

Libinia emarginata

Portly Spider Crab

Common2 obs.

Callinectes sapidus

blue swimming crab

Occasional2 obs.

Pagurus longicarpus

Long-Clawed Hermit Crab

Occasional2 obs.

Syngnathus fuscus

Northern Pipefish

Occasional2 obs.

Anomia simplex

Common Jingle Shell

Occasional2 obs.

Juniperus virginiana

Red Cedar Juniper

Occasional2 obs.

Larus marinus

great black-backed gull

Occasional2 obs.

Lathyrus japonicus

sea pea

Rare2 obs.

Limulus polyphemus

horseshoe crab

Rare2 obs.

Polistes exclamans

Rare1 obs.

Want the Complete Field Guide?

Get all 79 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.