Allegheny County

Ecosystem Overview

The Allegheny County ecosystem supports 100 documented wildlife species across 92 taxonomic genera. Located in Allegheny County, Pennsylvania, 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 #6 for species diversity among 175 Allegheny County County natural areas, placing it in the 97th 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 175 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#6 of 175 locations

97th percentile for diversity

vs. Pittsburgh

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.

Alliaria petiolata

garlic mustard

Very Common148 obs.

Toxicodendron radicans

poison ivy

Very Common148 obs.

Odocoileus virginianus

Key Deer

Very Common143 obs.

Lycorma delicatula

Spot Clothing Wax Cicada

Very Common118 obs.

Podophyllum peltatum

Mayapple

Very Common106 obs.

Claytonia virginica

Eastern Springbeauty

Common106 obs.

Harmonia axyridis

Harlequin ladybird

Common91 obs.

Rosa multiflora

Many-Flower Rose

Common90 obs.

Cardamine concatenata

Five-Part Toothwort

Common84 obs.

Hydrophyllum virginianum

Shawnee Salad

Common81 obs.

Trillium grandiflorum

Large-Flower Trillium

Common79 obs.

Reynoutria japonica

Japanese Knotweed

Occasional75 obs.

Turdus migratorius

American Robin

Occasional75 obs.

Glechoma hederacea

ground ivy

Occasional74 obs.

Ailanthus altissima

Tree of heaven

Occasional67 obs.

Berberis thunbergii

japanese barberry

Occasional66 obs.

Celastrus orbiculatus

Asian Bittersweet

Occasional63 obs.

Lonicera maackii

Bush Honeysuckle

Rare63 obs.

Arisaema triphyllum

Indian-turnip

Rare62 obs.

Microstegium vimineum

Nepalese browntop

Rare60 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 Allegheny County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+127%

vs. Regional Average

Compared to 8 nearby locations in Allegheny County County, Pennsylvania

Nearby Natural Areas

Pittsburgh

Importance: 0.68

100 species

0% vs. current

McKeesport

Importance: 0.46

6 species

+1567% vs. current

Wilkinsburg

Importance: 0.45

25 species

+300% vs. current

Munhall

Importance: 0.44

3 species

+3233% vs. current

Monroeville

Importance: 0.44

19 species

+426% vs. current

Bethel Park

Importance: 0.43

90 species

+11% vs. current

West Mifflin

Importance: 0.43

9 species

+1011% vs. current

Plum

Importance: 0.43

100 species

0% 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 Allegheny 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

+127%

vs. Regional Average

Compared to 8 nearby locations in Allegheny County County, Pennsylvania

Nearby Natural Areas

Pittsburgh

Importance: 0.68

100 species

0% vs. current

McKeesport

Importance: 0.46

6 species

+1567% vs. current

Wilkinsburg

Importance: 0.45

25 species

+300% vs. current

Munhall

Importance: 0.44

3 species

+3233% vs. current

Monroeville

Importance: 0.44

19 species

+426% vs. current

Bethel Park

Importance: 0.43

90 species

+11% vs. current

West Mifflin

Importance: 0.43

9 species

+1011% vs. current

Plum

Importance: 0.43

100 species

0% 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 175 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#6 of 175 locations

97th percentile for diversity

vs. Pittsburgh

0% species diversity

Most Common Species

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

Alliaria petiolata

garlic mustard

Very Common148 obs.

Toxicodendron radicans

poison ivy

Very Common148 obs.

Odocoileus virginianus

Key Deer

Very Common143 obs.

Lycorma delicatula

Spot Clothing Wax Cicada

Very Common118 obs.

Podophyllum peltatum

Mayapple

Very Common106 obs.

Claytonia virginica

Eastern Springbeauty

Common106 obs.

Harmonia axyridis

Harlequin ladybird

Common91 obs.

Rosa multiflora

Many-Flower Rose

Common90 obs.

Cardamine concatenata

Five-Part Toothwort

Common84 obs.

Hydrophyllum virginianum

Shawnee Salad

Common81 obs.

Trillium grandiflorum

Large-Flower Trillium

Common79 obs.

Reynoutria japonica

Japanese Knotweed

Occasional75 obs.

Turdus migratorius

American Robin

Occasional75 obs.

Glechoma hederacea

ground ivy

Occasional74 obs.

Ailanthus altissima

Tree of heaven

Occasional67 obs.

Berberis thunbergii

japanese barberry

Occasional66 obs.

Celastrus orbiculatus

Asian Bittersweet

Occasional63 obs.

Lonicera maackii

Bush Honeysuckle

Rare63 obs.

Arisaema triphyllum

Indian-turnip

Rare62 obs.

Microstegium vimineum

Nepalese browntop

Rare60 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.