St. Johns County

Ecosystem Overview

The St. Johns County ecosystem supports 100 documented wildlife species across 94 taxonomic genera. Located in St. Johns County, Florida, 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 #2 for species diversity among 5 St. Johns County County natural areas, placing it in the 60th 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 5 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 5 locations

60th percentile for diversity

vs. St. Augustine

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.

Lunarca ovalis

Blood Ark

Very Common50 obs.

Leucophaeus atricilla

Laughing Gull

Very Common31 obs.

Noetia ponderosa

Ponderous Ark

Very Common30 obs.

Crassostrea virginica

American oyster

Very Common27 obs.

Anolis sagrei

Mayan Coastal Anole [Mayensis]

Very Common25 obs.

Ardea alba

Great Egret

Common24 obs.

Calidris alba

sanderling

Common24 obs.

Gaillardia pulchella

firewheel

Common21 obs.

Pelecanus occidentalis

Brown Pelican (Southern)

Common21 obs.

Thalasseus maximus

Royal Tern

Common21 obs.

Larus delawarensis

Ring-billed Gull

Common20 obs.

Tringa semipalmata

Willet

Occasional19 obs.

Egretta caerulea

Little Blue Heron

Occasional18 obs.

Egretta thula

Snowy Egret

Occasional16 obs.

Hemiargus ceraunus

Ceraunus Blue

Occasional15 obs.

Bidens alba

Occasional15 obs.

Hydrocotyle bonariensis

Occasional15 obs.

Arenaria interpres

ruddy turnstone

Rare15 obs.

Phyciodes phaon

Phaon Crescent

Rare15 obs.

Stomolophus meleagris

cannonball jelly

Rare14 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 St. Johns County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+117%

vs. Regional Average

Compared to 4 nearby locations in St. Johns County County, Florida

Nearby Natural Areas

St. Augustine

Importance: 0.48

100 species

0% vs. current

Kelly Lake

Importance: 0.35

7 species

+1329% vs. current

Lake Ponte Vedra

Importance: 0.35

6 species

+1567% vs. current

St. Augustine Beach

Importance: 0.28

70 species

+43% 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 St. Johns 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

+117%

vs. Regional Average

Compared to 4 nearby locations in St. Johns County County, Florida

Nearby Natural Areas

St. Augustine

Importance: 0.48

100 species

0% vs. current

Kelly Lake

Importance: 0.35

7 species

+1329% vs. current

Lake Ponte Vedra

Importance: 0.35

6 species

+1567% vs. current

St. Augustine Beach

Importance: 0.28

70 species

+43% 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 5 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 5 locations

60th percentile for diversity

vs. St. Augustine

0% species diversity

Most Common Species

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

Lunarca ovalis

Blood Ark

Very Common50 obs.

Leucophaeus atricilla

Laughing Gull

Very Common31 obs.

Noetia ponderosa

Ponderous Ark

Very Common30 obs.

Crassostrea virginica

American oyster

Very Common27 obs.

Anolis sagrei

Mayan Coastal Anole [Mayensis]

Very Common25 obs.

Ardea alba

Great Egret

Common24 obs.

Calidris alba

sanderling

Common24 obs.

Gaillardia pulchella

firewheel

Common21 obs.

Pelecanus occidentalis

Brown Pelican (Southern)

Common21 obs.

Thalasseus maximus

Royal Tern

Common21 obs.

Larus delawarensis

Ring-billed Gull

Common20 obs.

Tringa semipalmata

Willet

Occasional19 obs.

Egretta caerulea

Little Blue Heron

Occasional18 obs.

Egretta thula

Snowy Egret

Occasional16 obs.

Hemiargus ceraunus

Ceraunus Blue

Occasional15 obs.

Bidens alba

Occasional15 obs.

Hydrocotyle bonariensis

Occasional15 obs.

Arenaria interpres

ruddy turnstone

Rare15 obs.

Phyciodes phaon

Phaon Crescent

Rare15 obs.

Stomolophus meleagris

cannonball jelly

Rare14 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.