Brown County, IL Wildlife Guide

Wildlife in and around Brown County

People most often report Fowler's Toad, Baldfaced Hornet, House Sparrow, Two-Spotted Bumblebee and Common Eastern Bumblebee in and around Brown County. Plants lead the list with 63 species, followed by 4 insects and 3 birds.

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Most Common Species

The 20 species reported most often here, of 72 in the full guide.

Perilla frutescens

Beefsteakplant

Very Common2.25 obs.

Acer negundo

Boxelder

Very Common2 obs.

Sassafras albidum

Sassafras

Very Common1.82 obs.

Alliaria petiolata

Hedge Garlic

Very Common1.73 obs.

Toxicodendron radicans

Poison Ivy

Very Common1.7 obs.

Chamaecrista fasciculata

Golden Cassia

Common1.22 obs.

Ambrosia trifida

Horseweed

Common1.22 obs.

Elaeagnus umbellata

Oleaster

Common1.21 obs.

Vinca minor

Myrtle

Common1.18 obs.

Monarda fistulosa

Beebalm

Common1.13 obs.

Ambrosia artemisiifolia

Ragweed

Common1 obs.

Sedum sarmentosum

Orpin Sarmenteux

Occasional1 obs.

Quercus imbricaria

Laurel Oak

Occasional1 obs.

Euonymus alatus

Burningbush

Occasional1 obs.

Cosmos sulphureus

Poppy

Occasional1 obs.

Prunus serotina

Rum Cherry

Occasional1 obs.

Datura stramonium

Fireweed

Occasional1 obs.

Asimina triloba

Pawpaw

Rare1 obs.

Trifolium campestre

Hop Clover

Rare1 obs.

Polygonum aviculare

Doorweed

Rare1 obs.

Most Common Species

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Get Your Personalized Field Guide

A PDF field guide to the species reported in and around Brown County, with common and scientific names and up to 3 photos of each, laid out for use in the field and offline.

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$6.99

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Wildlife in and around Brown County

Most Common Species

The 20 species reported most often here, of 72 in the full guide.

Perilla frutescens

Beefsteakplant

Very Common2.25 obs.

Acer negundo

Boxelder

Very Common2 obs.

Sassafras albidum

Sassafras

Very Common1.82 obs.

Alliaria petiolata

Hedge Garlic

Very Common1.73 obs.

Toxicodendron radicans

Poison Ivy

Very Common1.7 obs.

Chamaecrista fasciculata

Golden Cassia

Common1.22 obs.

Ambrosia trifida

Horseweed

Common1.22 obs.

Elaeagnus umbellata

Oleaster

Common1.21 obs.

Vinca minor

Myrtle

Common1.18 obs.

Monarda fistulosa

Beebalm

Common1.13 obs.

Ambrosia artemisiifolia

Ragweed

Common1 obs.

Sedum sarmentosum

Orpin Sarmenteux

Occasional1 obs.

Quercus imbricaria

Laurel Oak

Occasional1 obs.

Euonymus alatus

Burningbush

Occasional1 obs.

Cosmos sulphureus

Poppy

Occasional1 obs.

Prunus serotina

Rum Cherry

Occasional1 obs.

Datura stramonium

Fireweed

Occasional1 obs.

Asimina triloba

Pawpaw

Rare1 obs.

Trifolium campestre

Hop Clover

Rare1 obs.

Polygonum aviculare

Doorweed

Rare1 obs.