Evanston

Ecosystem Overview

The Evanston ecosystem supports 100 documented wildlife species across 96 taxonomic genera. Located in Cook County, Illinois, 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 #10 for species diversity among 97 Cook County County natural areas, placing it in the 90th 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

#10

Regional Rank

Out of 97 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#10 of 97 locations

90th percentile for diversity

vs. Cook County

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.

Turdus migratorius

American Robin

Very Common8 obs.

Ailanthus altissima

Tree of heaven

Very Common6 obs.

Acer negundo

ash-leaved maple, box-elder

Very Common6 obs.

Cardinalis cardinalis

Northern Cardinal

Very Common6 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Very Common6 obs.

Lymantria dispar

Spongy moth

Common6 obs.

Passer domesticus

House Sparrow

Common6 obs.

Asclepias syriaca

Virginia-Silk

Common5 obs.

Scilla siberica

Siberian squill

Common5 obs.

Vanessa atalanta

Red Admiral

Common5 obs.

Phytolacca americana

American pokeweed

Common5 obs.

Bucephala clangula

common goldeneye

Occasional5 obs.

Sylvilagus floridanus

Lapin A Queue Blanche

Occasional5 obs.

Dryobates pubescens

Downy Woodpecker

Occasional5 obs.

Erigeron canadensis

Canada Horseweed

Occasional4 obs.

Glechoma hederacea

ground ivy

Occasional4 obs.

Viburnum opulus

guelder rose

Occasional4 obs.

Petrochelidon pyrrhonota

Cliff Swallow

Rare4 obs.

Quiscalus quiscula

Common Grackle

Rare4 obs.

Nycticorax nycticorax

night heron, black-crowned night heron

Rare4 obs.

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Most Common Species

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Regional Comparison

Regional Ranking

100

Species Count

+104%

vs. Regional Average

Compared to 8 nearby locations in Cook County County, Illinois

Nearby Natural Areas

Cook County

Importance: 0.53

100 species

0% vs. current

Oak Park

Importance: 0.51

35 species

+186% vs. current

Skokie

Importance: 0.51

92 species

+9% vs. current

Cicero

Importance: 0.50

1 species

+9900% vs. current

Des Plaines

Importance: 0.50

57 species

+75% vs. current

Park Ridge

Importance: 0.50

7 species

+1329% vs. current

Glenview

Importance: 0.49

100 species

0% vs. current

Streamwood

Importance: 0.49

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 Cook 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

+104%

vs. Regional Average

Compared to 8 nearby locations in Cook County County, Illinois

Nearby Natural Areas

Cook County

Importance: 0.53

100 species

0% vs. current

Oak Park

Importance: 0.51

35 species

+186% vs. current

Skokie

Importance: 0.51

92 species

+9% vs. current

Cicero

Importance: 0.50

1 species

+9900% vs. current

Des Plaines

Importance: 0.50

57 species

+75% vs. current

Park Ridge

Importance: 0.50

7 species

+1329% vs. current

Glenview

Importance: 0.49

100 species

0% vs. current

Streamwood

Importance: 0.49

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

#10

Regional Rank

Out of 97 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#10 of 97 locations

90th percentile for diversity

vs. Cook County

0% species diversity

night heron, black-crowned night heron

Rare4 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.