Conservation
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Lake County Forest Preserves | Preservation, Restoration, Education and Recreation

Conservation

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Lake County Plants & Animals

fritillary and milkweed

We are working to preserve and restore the habitats that our native wildlife and plants need to survive and thrive. We are also here to help you enjoy the many wonderful creatures that live all around us.

Historically, the southern end of Lake Michigan was a conversion point of several ecosystems, including northern bog and tundra, eastern deciduous woodlands, southern swamps and western prairie. As a result, the lands surrounding Lake Michigan contain some of the greatest biodiversity in the world. Living in the islands of habitat nestled between the human dwellings are thousands of native animal and plant species. Native species are those that have evolved in this region of the country. The species in Lake County, Illinois make up some of the rarest natural communities on Earth.

Biodiversity, short for “biological diversity,” refers to the variety of life forms on Earth. Biodiversity keeps our air and water clean, regulates our climate, and provides all plants and animals (including humans) with food, shelter, clothing, medicine, and other useful products.

Natural communities such as prairies, savannas, woodlands and wetlands once covered the Midwest. Human development of the land and invasive species have greatly affected these communities. Only fragments of the original habitats have survived to current day, jeopardizing biodiversity in Lake County.

Explore Lake County Species

Our scientists use a variety of methods to find, measure and map plant and animal communities within the preserves. Learn more »

The numbers are fed into a powerful database that allows our ecologists to analyze the information in any number of ways to reveal meaningful relationships and trends. Careful information management means that the data we gather now will continue to be accessible and useful into the future.

The database also makes it easier for us to share our information with other conservation agencies and local students. After all, Lake County and all its residents are part of a bigger picture.

Preserve Name
Type


Common Namearrow down Scientific Namearrow down Nat/Nonarrow down Typearrow down
13-Lined Ground Squirrel Spermophilus tridecemlineatus Native Mammal
Acadian Flycatcher Empidonax virescens Native Bird
Acanalonia bivitatta Acanalonia bivitatta Unknown True Bugs
Acanalonia conica Acanalonia conica Unknown True Bugs
Acanthocinus pusillus Acanthocinus pusillus Unknown Beetles
Aceratagallia Sp. Aceratagallia Sp. Unknown True Bugs
Achaearanea globosa Achaearanea globosa Unknown Spiders
Achaearanea tabulata Achaearanea tabulata Unknown Spiders
Acorn Weevil Curculio Sp. 1 Unknown Beetles
Acupalpus carus Acupalpus carus Unknown Beetles
1-10 of 2588 View All

The database above displays results from our formal plant and wildlife monitoring programs. Consistent, comparable information is the key to useful data. Learn more »

Our natural resource staff follows strict rules that dictate when, where and what is counted. Consistent collection procedures ensure the data can be compared meaningfully, apples-to-apples or “turtles-to-turtles,” as the case might be.

In addition to data from our formal monitoring programs, we also receive species counts from citizen scientist monitoring networks, research projects and special events, such as our Middlefork Savanna BioBlitz. Since these data are collected irregularly, they are not included in the inventory above.

Resources

Endangered Species

Lake County is home to more endangered and threatened species than any other county in Illinois.
Learn more »

Habitat Types

Every species needs a different habitat to survive. Lake County holds a variety of natural communities, including prairies, woodlands and wetlands.
Learn more »

Landscaping with Native Plants

The decisions we make when landscaping our yards determine what kinds of wildlife live there and whether or not we can co-exist with them.
Learn more »

Research Assistance

Find further information about identifying species, living with wildlife and other natural resource topics.
Learn more »



  • naturecamright

    Lake County Nature Cam

    See into the lives of local wildlife with the Nature Cam.


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