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 their fur in Wisconsin. Like …
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. The species are so similar …
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. United States Department of Agriculture’s …
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 the late 1800s and early …
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,” said Tom Glass, a researcher …
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. Researchers are concerned that black-footed …
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. While the two species seem …
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