Port Isabel

Ecosystem Overview

The Port Isabel ecosystem supports 86 documented wildlife species across 79 taxonomic genera. Located in Cameron County, Texas, this area provides critical habitat with diverse natural communities. The location hosts 18 frequently observed species and 17 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While South Padre Island nearby has 14% more documented species, Port Isabel offers unique wildlife observation opportunities. This location ranks #6 for species diversity among 20 Cameron County County natural areas, placing it in the 70th 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 20 locations

Species Distribution

Very Common18 species

Common26 species

Occasional25 species

Rare17 species

Regional Context

Regional Ranking

#6 of 20 locations

70th percentile for diversity

vs. South Padre Island

-14% 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 86 total documented species.

Pelecanus occidentalis

Brown Pelican (Southern)

Very Common6 obs.

Yucca treculiana

Very Common5 obs.

Citharexylum berlandieri

Very Common4 obs.

Sesuvium portulacastrum

shoreline sea-purslane

Very Common4 obs.

Sternula antillarum

Least Tern

Very Common4 obs.

Leucophaeus atricilla

Laughing Gull

Common4 obs.

Euphorbia serpens

Matted Sandmat

Common3 obs.

Quiscalus mexicanus

Great-tailed Grackle

Common3 obs.

Tringa semipalmata

Willet

Common3 obs.

Ardea herodias

Great Blue Heron

Common3 obs.

Borrichia frutescens

sea oxeye

Common3 obs.

Pandion haliaetus

osprey

Occasional2 obs.

Pluvialis squatarola

grey plover

Occasional2 obs.

Egretta tricolor

Tricolor Heron

Occasional2 obs.

Avicennia germinans

Black mangrove

Occasional2 obs.

Agave americana

Centuryplant

Occasional2 obs.

Actitis macularius

spotted sandpiper

Occasional2 obs.

Numenius americanus

long-billed curlew

Rare2 obs.

Thalasseus sandvicensis

Sandwich Tern

Rare2 obs.

Haematopus palliatus

American Oystercatcher

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 Port Isabel. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

+10%

vs. Regional Average

Compared to 8 nearby locations in Cameron County County, Texas

Nearby Natural Areas

South Padre Island

Importance: 0.38

100 species

-14% vs. current

Cameron County

Importance: 0.37

100 species

-14% vs. current

Laguna Vista

Importance: 0.35

100 species

-14% vs. current

Harlingen

Importance: 0.35

100 species

-14% vs. current

Brownsville

Importance: 0.35

100 species

-14% vs. current

Los Fresnos

Importance: 0.35

80 species

+8% vs. current

Lozano Banco Resaca

Importance: 0.35

28 species

+207% vs. current

Cameron Company Fwsd Reservoir 1

Importance: 0.35

16 species

+438% 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 Cameron 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

+10%

vs. Regional Average

Compared to 8 nearby locations in Cameron County County, Texas

Nearby Natural Areas

South Padre Island

Importance: 0.38

100 species

-14% vs. current

Cameron County

Importance: 0.37

100 species

-14% vs. current

Laguna Vista

Importance: 0.35

100 species

-14% vs. current

Harlingen

Importance: 0.35

100 species

-14% vs. current

Brownsville

Importance: 0.35

100 species

-14% vs. current

Los Fresnos

Importance: 0.35

80 species

+8% vs. current

Lozano Banco Resaca

Importance: 0.35

28 species

+207% vs. current

Cameron Company Fwsd Reservoir 1

Importance: 0.35

16 species

+438% 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 20 locations

Species Distribution

Very Common18 species

Common26 species

Occasional25 species

Rare17 species

Regional Context

Regional Ranking

#6 of 20 locations

70th percentile for diversity

vs. South Padre Island

-14% species diversity

Most Common Species

Showing 20 most frequently observed species out of 86 total documented species.

Pelecanus occidentalis

Brown Pelican (Southern)

Very Common6 obs.

Yucca treculiana

Very Common5 obs.

Citharexylum berlandieri

Very Common4 obs.

Sesuvium portulacastrum

shoreline sea-purslane

Very Common4 obs.

Sternula antillarum

Least Tern

Very Common4 obs.

Leucophaeus atricilla

Laughing Gull

Common4 obs.

Euphorbia serpens

Matted Sandmat

Common3 obs.

Quiscalus mexicanus

Great-tailed Grackle

Common3 obs.

Tringa semipalmata

Willet

Common3 obs.

Ardea herodias

Great Blue Heron

Common3 obs.

Borrichia frutescens

sea oxeye

Common3 obs.

Pandion haliaetus

osprey

Occasional2 obs.

Pluvialis squatarola

grey plover

Occasional2 obs.

Egretta tricolor

Tricolor Heron

Occasional2 obs.

Avicennia germinans

Black mangrove

Occasional2 obs.

Agave americana

Centuryplant

Occasional2 obs.

Actitis macularius

spotted sandpiper

Occasional2 obs.

Numenius americanus

long-billed curlew

Rare2 obs.

Thalasseus sandvicensis

Sandwich Tern

Rare2 obs.

Haematopus palliatus

American Oystercatcher

Rare2 obs.

Want the Complete Field Guide?

Get all 86 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.