Tag: snow

October 3, 2022

JWM: Snowy weather affects mule deer survival in the winter

On September 19, the U.S. House of Representatives passed legislation supporting the National Wildlife Refuge System’s volunteer and community engagement programs. The Keep America’s Refuges Operation Act of 2022 (H.R....

June 5, 2020

JWM: Vegetation and snow events impact Dall’s sheep survival

For Dall’s sheep, environmental factors in the alpine regions they occupy play critical roles in their survival. In some regions, like the western Brooks Range in Alaska, major declines in...

February 7, 2019

Predictions of less snow may be bad news for ringed seals

Using  environmental conditions projected for ringed seals (Pusa hispida) in the Arctic, researchers found there may be less snow, which can spell bad news for the species. The seals rely...

January 15, 2019

When it’s snowing, wolves hunker down

Gray wolves (Canis lupus) are accustomed to the snowy landscapes of northeastern Alberta, Canada, but when snow is falling, they become less active, researchers found. The effect was especially clear...

March 2, 2018

Farms and vanishing snow bring opossums north

When an opossum turned up shot by an arrow in Grand Forks, North Dakota, Lisa Walsh, a PhD candidate at the University of Michigan, decided to drive up to check...

February 22, 2018

JWM: Winter conditions stress pronghorn the next summer

The Red Desert of south-central Wyoming has long been known for robust pronghorn populations, but in the last two decades, herds have diminished up to 30 percent. The deep snow...

May 24, 2017

WSB Study: Scientists quantitatively tell tracks apart in snow

Biologists surveying carnivore populations in snow-covered regions often have a hard time differentiating between the tracks of similar species. By analyzing track characteristics and snow measurements, a recent study focused...

November 21, 2016

JWM study: How much snow cover do female wolverines need?

Spring snow cover in northern Alberta has been decreasing for decades. This shift is generally not expected to bode well for cold-adapted wildlife, such as the elusive and charismatic wolverine...