This 2016 photo from a remote camera shows a mountain wolverine in the Tahoe National Forest near Truckee, California. (Chris Stermer/California Department of Fish and Wildlife via AP, File)

This 2016 photo from a remote camera shows a mountain wolverine in the Tahoe National Forest near Truckee, California. (Chris Stermer/California Department of Fish and Wildlife via AP, File)

US officials: Climate change not a threat to rare wolverine

Research indicates there will be enough snow in the mountains for them despite warming temperatures.

By Matthew Brown / Associated Press

BILLINGS, Mont. — U.S. wildlife officials are withdrawing proposed protections for the snow-loving wolverine after determining the rare and elusive predator is not as threatened by climate change as once thought.

Details on the decision were obtained by The Associated Press in advance of an announcement Thursday.

A federal judge four years ago had blocked an attempt to withdraw protections that were first proposed in 2010, pointing to evidence from government scientists that wolverines were “squarely in the path of climate change.”

But years of additional research suggest the animals’ prevalence is expanding, not contracting, U.S. Fish and Wildlife officials said. And they predict that enough snow will persist at high elevations for wolverines to den in mountain snowfields each spring despite warming temperatures.

Wildlife advocates said they are likely to challenge the move in court.

“They are putting the wolverine on the path to extinction,” said Andrea Zaccardi with the Center for Biological Diversity.

Wolverines, also known as “mountain devils,” were wiped out across most of the U.S. by the 1930s following unregulated trapping and poisoning campaigns. They’re slowly clawing their way back in some areas, said Justin Shoemaker, a biologist with the Fish and Wildlife Service.

Government biologists no longer consider the relatively few wolverines in the Lower 48 states to be an isolated population, instead saying they are linked to a much larger population in Canada

“Wolverines have come back down from Canada and they are repopulating these areas in the Lower 48 that they historically occupied,” Shoemaker said. “There’s going to be significant areas of snow pack in the spring at the time they would need it and the levels they would need it.”

Wildlife officials have previously estimated that 250 to 300 wolverines survive in remote areas of Montana, Wyoming, Idaho and Washington state. The animals in recent years also have been documented in California, Utah, Colorado and Oregon.

A newly released government assessment of the species status does not provide an updated population estimate.

The animals need immense expanses of wild land to survive, with home ranges for adult male wolverines covering as much as 610 square miles (1,580 square kilometers), according to a study in central Idaho.

Wildlife advocates have sought since the early 1990s to protect the animals and alleged political meddling in the government’s decision-making process thwarted those efforts. Tim Preso with the environmental law firm Earthjustice said the latest decision fits in with a pattern of the Trump administration downplaying the threat of climate change.

Agency officials rejected the notion of any interference in their scientific deliberations.

“This was an analysis that was done by the scientists in the field looking at the best available information,” said Jodi Bush, Montana project leader for the Fish and Wildlife Service.

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