Hays

Ecosystem Overview

The Hays ecosystem supports 75 documented wildlife species across 66 taxonomic genera. Located in Allegheny County, Pennsylvania, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 14 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Pittsburgh nearby has 25% more documented species, Hays offers unique wildlife observation opportunities. This location ranks #34 for species diversity among 175 Allegheny County County natural areas, placing it in the 81th 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

#34

Regional Rank

Out of 175 locations

Species Distribution

Very Common16 species

Common22 species

Occasional23 species

Rare14 species

Regional Context

Regional Ranking

#34 of 175 locations

81th percentile for diversity

vs. Pittsburgh

-25% 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 75 total documented species.

Arisaema triphyllum

Indian-turnip

Very Common5 obs.

Toxicodendron radicans

poison ivy

Very Common5 obs.

Artemisia vulgaris

mugwort

Very Common3 obs.

Achillea millefolium

yarrow, milfoil

Very Common3 obs.

Pipilo erythrophthalmus

Eastern Towhee

Very Common3 obs.

Parthenocissus quinquefolia

Virginia-creeper

Common3 obs.

Erigeron philadelphicus

common fleabane

Common3 obs.

Trichaptum biforme

Common2 obs.

Cardamine concatenata

Five-Part Toothwort

Common2 obs.

Cardamine impatiens

narrow-leaved bitter-cress

Common2 obs.

Menispermum canadense

Yellow Parilla

Common2 obs.

Podophyllum peltatum

Mayapple

Occasional2 obs.

Odocoileus virginianus

Key Deer

Occasional2 obs.

Eurybia divaricata

Heart-Leaf Aster

Occasional2 obs.

Cerioporus squamosus

Occasional2 obs.

Vireo griseus

White-eyed Vireo

Occasional1 obs.

Icterus galbula

baltimore oriole

Occasional1 obs.

Myiarchus crinitus

Great-Crested Flycatcher

Rare1 obs.

Philoscia muscorum

common striped woodlouse

Rare1 obs.

Oecanthus latipennis

Broad-winged Tree Cricket

Rare1 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 Hays. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

+70%

vs. Regional Average

Compared to 8 nearby locations in Allegheny County County, Pennsylvania

Nearby Natural Areas

Pittsburgh

Importance: 0.68

100 species

-25% vs. current

Allegheny County

Importance: 0.48

100 species

-25% vs. current

McKeesport

Importance: 0.46

6 species

+1150% vs. current

Wilkinsburg

Importance: 0.45

25 species

+200% vs. current

Munhall

Importance: 0.44

3 species

+2400% vs. current

Monroeville

Importance: 0.44

19 species

+295% vs. current

Bethel Park

Importance: 0.43

90 species

-17% vs. current

West Mifflin

Importance: 0.43

9 species

+733% 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

Species Count

+70%

vs. Regional Average

Compared to 8 nearby locations in Allegheny County County, Pennsylvania

Nearby Natural Areas

Pittsburgh

Importance: 0.68

100 species

-25% vs. current

Allegheny County

Importance: 0.48

100 species

-25% vs. current

McKeesport

Importance: 0.46

6 species

+1150% vs. current

Wilkinsburg

Importance: 0.45

25 species

+200% vs. current

Munhall

Importance: 0.44

3 species

+2400% vs. current

Monroeville

Importance: 0.44

19 species

+295% vs. current

Bethel Park

Importance: 0.43

90 species

-17% vs. current

West Mifflin

Importance: 0.43

9 species

+733% 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

#34

Regional Rank

Out of 175 locations

Species Distribution

Very Common16 species

Common22 species

Occasional23 species

Rare14 species

Regional Context

Regional Ranking

#34 of 175 locations

81th percentile for diversity

vs. Pittsburgh

-25% species diversity

Most Common Species

Showing 20 most frequently observed species out of 75 total documented species.

Arisaema triphyllum

Indian-turnip

Very Common5 obs.

Toxicodendron radicans

poison ivy

Very Common5 obs.

Artemisia vulgaris

mugwort

Very Common3 obs.

Achillea millefolium

yarrow, milfoil

Very Common3 obs.

Pipilo erythrophthalmus

Eastern Towhee

Very Common3 obs.

Parthenocissus quinquefolia

Virginia-creeper

Common3 obs.

Erigeron philadelphicus

common fleabane

Common3 obs.

Trichaptum biforme

Common2 obs.

Cardamine concatenata

Five-Part Toothwort

Common2 obs.

Cardamine impatiens

narrow-leaved bitter-cress

Common2 obs.

Menispermum canadense

Yellow Parilla

Common2 obs.

Podophyllum peltatum

Mayapple

Occasional2 obs.

Odocoileus virginianus

Key Deer

Occasional2 obs.

Eurybia divaricata

Heart-Leaf Aster

Occasional2 obs.

Cerioporus squamosus

Occasional2 obs.

Vireo griseus

White-eyed Vireo

Occasional1 obs.

Icterus galbula

baltimore oriole

Occasional1 obs.

Myiarchus crinitus

Great-Crested Flycatcher

Rare1 obs.

Philoscia muscorum

common striped woodlouse

Rare1 obs.

Oecanthus latipennis

Broad-winged Tree Cricket

Rare1 obs.

Want the Complete Field Guide?

Get all 75 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.