Baltimore County

Ecosystem Overview

The Baltimore County ecosystem supports 100 documented wildlife species across 98 taxonomic genera. Located in Baltimore County, Maryland, 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. Compared to nearby Loch Raven Reservoir, Baltimore County hosts 245% more species diversity. This location ranks #1 for species diversity among 13 Baltimore County County natural areas, placing it in the 92th 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 13 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 13 locations

92th percentile for diversity

vs. Loch Raven Reservoir

+245% 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.

Odocoileus virginianus

Key Deer

Very Common75 obs.

Dryobates pubescens

Downy Woodpecker

Very Common51 obs.

Cardinalis cardinalis

Northern Cardinal

Very Common44 obs.

Buteo lineatus

Red-Shouldered/Broad-Winged Hawk

Very Common37 obs.

Lycorma delicatula

Spot Clothing Wax Cicada

Very Common37 obs.

Sciurus carolinensis

Grey squirrel

Common36 obs.

Thryothorus ludovicianus

Carolina Wren

Common35 obs.

Anaxyrus americanus

American Toad

Common33 obs.

Magicicada septendecim

Decim Periodical Cicada

Common32 obs.

Symplocarpus foetidus

Skunk Cabbage

Common32 obs.

Papilio glaucus

Eastern Tiger Swallowtail

Common31 obs.

Liriodendron tulipifera

Tulip Poplar

Occasional28 obs.

Sitta carolinensis

White-Breasted Nuthatch (Interior West)

Occasional28 obs.

Alliaria petiolata

garlic mustard

Occasional28 obs.

Platanus occidentalis

American Sycamore

Occasional27 obs.

Polystichum acrostichoides

dagger fern

Occasional27 obs.

Toxicodendron radicans

poison ivy

Occasional27 obs.

Zonotrichia albicollis

white-throated sparrow

Rare26 obs.

Scopula limboundata

Large Lace Border

Rare26 obs.

Harmonia axyridis

Harlequin ladybird

Rare26 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 Baltimore County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+1150%

vs. Regional Average

Compared to 8 nearby locations in Baltimore County County, Maryland

Nearby Natural Areas

Loch Raven Reservoir

Importance: 0.35

29 species

+245% vs. current

Gunpowder Falls

Importance: 0.35

20 species

+400% vs. current

Minebank Run

Importance: 0.35

5 species

+1900% vs. current

Back River

Importance: 0.35

4 species

+2400% vs. current

Pig Pen Pond

Importance: 0.35

2 species

+4900% vs. current

South Cell

Importance: 0.35

1 species

+9900% vs. current

Paper Mill Flats

Importance: 0.35

1 species

+9900% vs. current

Lost Lake

Importance: 0.35

1 species

+9900% 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 Baltimore 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

+1150%

vs. Regional Average

Compared to 8 nearby locations in Baltimore County County, Maryland

Nearby Natural Areas

Loch Raven Reservoir

Importance: 0.35

29 species

+245% vs. current

Gunpowder Falls

Importance: 0.35

20 species

+400% vs. current

Minebank Run

Importance: 0.35

5 species

+1900% vs. current

Back River

Importance: 0.35

4 species

+2400% vs. current

Pig Pen Pond

Importance: 0.35

2 species

+4900% vs. current

South Cell

Importance: 0.35

1 species

+9900% vs. current

Paper Mill Flats

Importance: 0.35

1 species

+9900% vs. current

Lost Lake

Importance: 0.35

1 species

+9900% 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 13 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 13 locations

92th percentile for diversity

vs. Loch Raven Reservoir

+245% species diversity

Most Common Species

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

Odocoileus virginianus

Key Deer

Very Common75 obs.

Dryobates pubescens

Downy Woodpecker

Very Common51 obs.

Cardinalis cardinalis

Northern Cardinal

Very Common44 obs.

Buteo lineatus

Red-Shouldered/Broad-Winged Hawk

Very Common37 obs.

Lycorma delicatula

Spot Clothing Wax Cicada

Very Common37 obs.

Sciurus carolinensis

Grey squirrel

Common36 obs.

Thryothorus ludovicianus

Carolina Wren

Common35 obs.

Anaxyrus americanus

American Toad

Common33 obs.

Magicicada septendecim

Decim Periodical Cicada

Common32 obs.

Symplocarpus foetidus

Skunk Cabbage

Common32 obs.

Papilio glaucus

Eastern Tiger Swallowtail

Common31 obs.

Liriodendron tulipifera

Tulip Poplar

Occasional28 obs.

Sitta carolinensis

White-Breasted Nuthatch (Interior West)

Occasional28 obs.

Alliaria petiolata

garlic mustard

Occasional28 obs.

Platanus occidentalis

American Sycamore

Occasional27 obs.

Polystichum acrostichoides

dagger fern

Occasional27 obs.

Toxicodendron radicans

poison ivy

Occasional27 obs.

Zonotrichia albicollis

white-throated sparrow

Rare26 obs.

Scopula limboundata

Large Lace Border

Rare26 obs.

Harmonia axyridis

Harlequin ladybird

Rare26 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.