Lasalle County

Ecosystem Overview

The Lasalle County ecosystem supports 100 documented wildlife species across 95 taxonomic genera. Located in LaSalle 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. Compared to nearby Ottawa, Lasalle County hosts 92% more species diversity. This location ranks #1 for species diversity among 12 LaSalle 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 12 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 12 locations

92th percentile for diversity

vs. Ottawa

+92% 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.

Hepatica acutiloba

sharp-lobed liverleaf

Very Common13 obs.

Haliaeetus leucocephalus

Bald Eagle

Very Common13 obs.

Claytonia virginica

Eastern Springbeauty

Very Common13 obs.

Turdus migratorius

American Robin

Very Common11 obs.

Podophyllum peltatum

Mayapple

Very Common11 obs.

Branta canadensis

Canada goose

Common11 obs.

Pelecanus erythrorhynchos

American White Pelican

Common11 obs.

Uvularia grandiflora

Large-Flowered Bellwort

Common9 obs.

Conocephalum salebrosum

cat-tongue liverwort

Common9 obs.

Phlox divaricata

Forest Phlox

Common9 obs.

Sciurus carolinensis

Grey squirrel

Common7 obs.

Juniperus virginiana

Red Cedar Juniper

Occasional7 obs.

Cardinalis cardinalis

Northern Cardinal

Occasional7 obs.

Geranium maculatum

Wild Geranium

Occasional7 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Occasional7 obs.

Cathartes aura

Turkey Vulture

Occasional7 obs.

Quercus alba

Eastern White Oak

Occasional6 obs.

Tamias striatus

eastern chipmunk

Rare6 obs.

Felis catus

Domestic Cat

Rare6 obs.

Halysidota tessellaris

Pale Tiger Moth

Rare6 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 LaSalle County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+733%

vs. Regional Average

Compared to 8 nearby locations in LaSalle County County, Illinois

Nearby Natural Areas

Ottawa

Importance: 0.49

52 species

+92% vs. current

Lasalle

Importance: 0.49

1 species

+9900% vs. current

Peru

Importance: 0.49

1 species

+9900% vs. current

Lake Mendota

Importance: 0.35

4 species

+2400% vs. current

Matthiessen Lake

Importance: 0.35

1 species

+9900% vs. current

Mendota

Importance: 0.34

17 species

+488% vs. current

Oglesby

Importance: 0.33

6 species

+1567% vs. current

North Utica

Importance: 0.32

12 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 LaSalle 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

+733%

vs. Regional Average

Compared to 8 nearby locations in LaSalle County County, Illinois

Nearby Natural Areas

Ottawa

Importance: 0.49

52 species

+92% vs. current

Lasalle

Importance: 0.49

1 species

+9900% vs. current

Peru

Importance: 0.49

1 species

+9900% vs. current

Lake Mendota

Importance: 0.35

4 species

+2400% vs. current

Matthiessen Lake

Importance: 0.35

1 species

+9900% vs. current

Mendota

Importance: 0.34

17 species

+488% vs. current

Oglesby

Importance: 0.33

6 species

+1567% vs. current

North Utica

Importance: 0.32

12 species

+733% 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 12 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 12 locations

92th percentile for diversity

vs. Ottawa

+92% species diversity

Most Common Species

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

Hepatica acutiloba

sharp-lobed liverleaf

Very Common13 obs.

Haliaeetus leucocephalus

Bald Eagle

Very Common13 obs.

Claytonia virginica

Eastern Springbeauty

Very Common13 obs.

Turdus migratorius

American Robin

Very Common11 obs.

Podophyllum peltatum

Mayapple

Very Common11 obs.

Branta canadensis

Canada goose

Common11 obs.

Pelecanus erythrorhynchos

American White Pelican

Common11 obs.

Uvularia grandiflora

Large-Flowered Bellwort

Common9 obs.

Conocephalum salebrosum

cat-tongue liverwort

Common9 obs.

Phlox divaricata

Forest Phlox

Common9 obs.

Sciurus carolinensis

Grey squirrel

Common7 obs.

Juniperus virginiana

Red Cedar Juniper

Occasional7 obs.

Cardinalis cardinalis

Northern Cardinal

Occasional7 obs.

Geranium maculatum

Wild Geranium

Occasional7 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Occasional7 obs.

Cathartes aura

Turkey Vulture

Occasional7 obs.

Quercus alba

Eastern White Oak

Occasional6 obs.

Tamias striatus

eastern chipmunk

Rare6 obs.

Felis catus

Domestic Cat

Rare6 obs.

Halysidota tessellaris

Pale Tiger Moth

Rare6 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.