Cancer to the Rescue?

A potential solution to invasive mussels

One hundred thousand quagga mussels can live in a single square meter, and 450 trillion of them infest Lake Michigan alone.

Christy Bell holding a bee

Unsung Pollinators

Native bees are forgotten in the clamor to save exotic pollinators

Christy Bell rifled through a series of shallow drawers lining the walls of a dark, windowless lab.

A mountain goat peers down from a cliff

To Kill or Not to Kill?

Managing charismatic ungulates in the Tetons

The first time Michael Whitfield saw bighorn sheep in the high country he stood on a ridgeline in the shadow of the Teton Range and watched a group grazing along a plateau.

Painting of deer crossing road

A Different Kind of Map

Social science reveals the contours of wildlife migration’s human dimensions

On an early June morning, I found Jessi Johnson and her hunting partner loading up a bright red pickup, deep in discussion about the best spot to scout for bedded-down deer.

Courtney Duchardt and David Augustine in field

Sharing Fences

Local knowledge guides research across public and private lands

“I’ve learned to tune out the incessant alarm calls of prairie dogs when I work,” says recent University of Wyoming graduate Lauren Connell. “It’s that or go crazy.”

Wild horse running in grassy field. Photo by Eric Krszjzaniek.

Bullies on the Range

Wild horses are winning out over wildlife in the struggle for water

On a summer day in 2011, biologist Neil Perry was checking on prairie dogs he had translocated to a remote canyon in Mesa Verde, National Park, not far from the Four Corners region.

Horse with tracking device

Tracking Wild Horses

Technology addresses a rangeland challenge

As the sun sets over the stark Skull Creek Rim, I sit in the sand and take a swig from my water bottle. I am lucky to have portable water in this barren landscape.

Volunteers planting sage brush

One Steppe

New tools to improve management of Wyoming’s sagebrush ecosystem

In November 2014 the Douglas Core Area Restoration Team was all set to plant 16,000 sagebrush seedlings in a wildfire burn area east of Douglas, Wyoming.

Watercolor illustration of Earth

Avoiding Extinction on a Warming Planet

Can the Endangered Species Act protect wildlife in a changing climate?

On a summer day in 2011, a group of US Geological Survey researchers hiked through the wildflowers high above Glacier National Park’s tree line

Pika at lower Slide Lake

Coping, Not Overcoming

Scientist discovers pikas’ strategies for dealing with heat

By Alanna Elder

Just like the creature she studies, Embere Hall spends much of the winter beneath the snow. Her office is tucked in a network of hallways beneath the University of Wyoming’s older science buildings.

Spring Snowstorm at Obsidian Creek with grizzly bears

Return of the Grizzly

No longer federally protected, is the great bear ready to strike out on its own?

In the early 20th century, tourists gathered around dump pits in Yellowstone National Park to watch grizzlies devour trash.

A black footed ferret sits on the edge of its burrow in grass.

New Neighbors

Wyoming ranchers are key to black-footed ferret recovery

Lenox Baker’s hands gripped the steering wheel, and the large silver ring on his finger glinted, revealing an outline of a black-footed ferret.

Preble’s Meadow Jumping Mouse

A Tale of Two Species

Plants and animals receive different protections under the Endangered Species Act

In 1998, the US Fish and Wildlife Service listed a small brown mouse with large hind feet and a 6-inch-long whip-like tail as threatened

Wolves in snow

Mapping Recovery

Once missing from Yellowstone, reintroduced wolves make a comeback

On a crisp March morning in 1995, wolf biologist Doug Smith and colleagues from the National Park Service and US Fish and Wildlife Service made their way toward a makeshift pen in Yellowstone National Park’s northern range.

Collaborate or Litigate

Collaborate or Litigate

Local collaboration faces off against outsider litigation in the long, slow process to help a threatened species

From his Chevy Silverado, Phil Fine watched heavy rain fill up an irrigation ditch on his family farm in central Oregon.

Illustrations of wolf, bear, and sagegrouse

Modernizing the Act

As calls for ESA reform have conservationists on high alert, western governors offer a way forward

“Here’s the problem. The Endangered Species Act isn’t working today,”