Tag: mustelids

October 21, 2022

WSB: River otters prefer forested areas with dense wetlands

To learn more about the types of environments that river otters prefer in northern Wisconsin, old data on animal density can sometimes reveal new insights.  River otters are harvested for...

August 31, 2022

How do martens and fishers share territory?

Martens and fishers may appear rather similar—almost interchangeable. Fishers are a little bigger than martens, but both furry mustelids are found in forest ecosystems and consume similar types of prey....

April 19, 2022

Wild Cam: Managers trap and collar rare wolverine in Utah

The whole episode began with an attack on 18 sheep in Rich County, Utah northeast of Salt Lake City, but ended with a marvelous opportunity for researching a rare carnivore....

April 6, 2022

JWM: Fisher reintroduction going well in Olympic Peninsula

In the mid-1900s, fishers were extirpated from Washington state, despite being found historically in various parts of the U.S. Pacific Northwest. But high demand and prices for their pelts in...

June 22, 2021

Wolverines den in caves formed in permafrost

Wolverines use deep fissures in the Arctic permafrost as dens, photos have revealed. “After we found three of them, it seemed like enough of a pattern to start sharing it,”...

February 18, 2021

Black-footed ferret COVID-19 vaccination seems to be working

Two-thirds of captive-bred black-footed ferrets have been vaccinated for the novel coronavirus, and not a single one of the endangered mustelids is known so far to have contracted the disease....

December 10, 2019

JWM: Two similar species have different responses to climate

Trappers in Quebec have been noticing an unusual shift on their lines taking place over the past few decades. Fishers have been on the rise, while martens have been declining....