Research

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An orange, black and white butterfly nectars on a pink flower.

Living with Wildlife in Chicago’s Backyard: What 25 Years of Research Tells Us

August 1, 2025 by Samantha G. Pallazza, Craig Miller

Research | Research | Urban Wildlife

A gray, tan and black coyote standing on leaf litter in a woodland looks up at a tree. In the background are trees.

Timing is everything: How habitat, humans, and coyotes influence mammal behavior

August 1, 2025 by Nathan Proudman

Research | Mammals

A woman wearing a hard hat stands next to a large piece of machinery. She stands at one end of a long large bar with rectangular projections at equal intervals down the length of the bar. In the background is another individual wearing a hard hat standing in a parking lot.

A Collaborative Effort to Test a New Tool for Invasive Carp Control

August 1, 2025 by Marybeth Brey

Research | Fish | Habitat Management or Enhancement | Invasive Species

A gray and tan tree squirrel lounges on a tree branch.

Squirrels Just Wanna Have Forest Paths: How Land Cover Shapes Genetic Diversity

August 1, 2025 by Bethany Warner

Research | Habitat Management or Enhancement | Mammals

A brown adult male deer with velvet on its antlers stands in front of a woodland edge.

IDNR Announces New Detection of CWD in Four Additional Illinois Counties

May 1, 2025 by IDNR

Research | Wildlife | Chronic Wasting Disease | Deer | Disease Managment | Diseases | Wildlife Health

A close-up of the dorsal fin of a green and tan fish being held in the palm of a researcher's hand. An orange tag protrudes from the back of the fin.

You Can Contribute to a Study on Bass Movements in Chicago

May 1, 2025 by Austin Happel

Research | Research

A tan and white freshwater mussel nestled in a sandy river bed.

Finding the Elusive Salamander Mussel Alive in Illinois After a Century in Obscurity

February 3, 2025 by Sarah Douglass, Mark Davis

Aquatic Organisms | People | Research | Endangered and Threatened Species | Mussels | Research | Rivers and Lakes

Six brown bison graze on a prairie with pink flowers interspersed throughout.

Plant and Bird Responses to Bison Grazing at Nachusa Grasslands

February 3, 2025 by Elizabeth Bach, Antonio Del Vallé

Land | Research | Wildlife | Habitat Management or Enhancement | Mammals | Places to Visit | Prairie or Grassland

Oak leaves curled up and deformed do to herbicide drift on an oak tree limb.

The Silent Trespasser: How Herbicide Drift is Threatening Illinois’ Wild Landscapes

February 3, 2025 by Kim Erndt-Pitcher, Martin Kemper

Land | Research | Habitat Management or Enhancement | Plants

In front of a woodland an adult male white-tailed deer with antlers stands alert. To the right of the male is an adult female white-tailed deer walking towards the edge of the woodland.

Why Are Deer So Successful in Illinois?

February 3, 2025 by Jameson Mori, Nelda A. Rivera

Recreation | Research | Wildlife | Deer | Hunting | Research | Wildlife Pick

A gray and orange squirrel sits in a green lawn and eats a nut. In the background are large rocks framing the edge of a driveway next to a gray car.

Nuts and Niches: How Two Illinois Squirrel Species Share the Landscape

February 3, 2025 by Nathan Proudman

Land | Research | Wildlife | Mammals | Research

An adult male white-tailed deer is silhouetted against a bright orange sunset while walking across a fallow agricultural field.

Wildlife Research News

February 3, 2025 by Kathy Andrews Wright

Research | Wildlife | Amphibians | Birds | Climate Change | Deer | Research

A white, brown, and black hawk holds a fish in its talons while flying close to the surface of a a freshwater lake.

Can They Hack It? A Decade of Efforts to Re-Establish Osprey in Illinois

November 1, 2024 by Kaleigh Gabriel

Research | Wildlife | Birds | Osprey | Population Successes | Research | Wildlife Health

A scientist wearing orange waders stands in a boat on a river holding a large dark gray fish. In the background is a shoreline filled with trees against a partly cloudy sky.

Black Carp in Illinois: An invasive threat to native ecosystems

November 1, 2024 by Gretchen Steele

Aquatic Organisms | Recreation | Research | Fishing | Habitat Management or Enhancement | Rivers and Lakes

A close-up of a brown bat.

Bats Go Where the Trees Are in Cities

November 1, 2024 by Sean Obrochta, Joy OKeefe

Land | Research | Wildlife | Bats | Mammals | Research

A woodland borders a grassy field to the right. Along the edge of the grassy field are five telephone poles in a row. On top of each pole has section of artificial bark. In the background are trees against a bright blue sky.

An Unexpected Visitor: Genetics reveal unanticipated roost use by hoary bat

November 1, 2024 by Jordyn Chace

Research | Wildlife | Bats | Mammals

In a clearing a tranquilized bobcat rests on a blanket on top of a brown tarp. Four researchers gather around the bobcat. One researcher records data while the others performs simple procedures. To the left of the group is a white pickup truck, and in the background are trees.

Understanding the Ecology of Recently Recolonized Bobcats in North-central Illinois

November 1, 2024 by Clayton K. Nielsen, Guillaume Bastille-Rousseau, Brent Pease, Ellen Audia, Katie Buckman

Research | Wildlife | Mammals | Research

A group of deer forage for waste grain in a harvested corn field. In the background is a woodland.

Legend or Reality: Breaking the code of CWD myths

August 1, 2024 by Nelda A. Rivera, Nohra Mateus-Pinilla

Research | Wildlife | Hunting | Mammals | Research | Wildlife Health

Sunlight peeks through the canopy of a woodland to touch on a small ephemeral pool. In the background is a lush green forest.

Early Spring Univoltine Mosquitoes of Illinois

August 1, 2024 by Andrew Mackay, Chris Stone

Aquatic Organisms | Research | Wildlife | Research | Wetland | Wildlife Health

A group of otters pause swimming and playing to rest on a concrete structure made to resemble a rock outcropping in a zoo enclosure.

Wildlife, Collection Animals and SARS-CoV-2 Surveillance at the Height of the Pandemic

August 1, 2024 by Mitch Oswald

Research | Wildlife | Wildlife Health