1. “We’ve always known there was a strong association between wolverine and snow,” Copeland says. “It’s an animal that evolved in a snowy arctic environment.”
That snow proves especially important for moms. Around February they look for the ideal site to burrow in and create a den. This temporary home has to survive until their pups wean, around mid-May, which means deep snow has to persist that long. And real estate that meets those criteria is becoming increasingly limited."
This is taken from a really, really good article that will provide a great deal of information about wolverines, much more than simply that they are the mascot for the University of Michigan.
Wolverines: Climate warming threatens comeback
2. From another article, similar subject, "Wolverine Population Threatened by Climate Change"
is this: "The computer projections also showed that August temperatures may increase dramatically. Whereas August temperatures currently top off at about 72 degrees F (22 degrees C) in areas where wolverines live, maximum daily temperatures by the end of the century were projected to frequently exceed 90 degrees F (32 degrees C) under the two higher-emissions scenarios. Unless the wolverine is able to very rapidly adapt to summertime temperatures far above anything it currently experiences, and to a spring with little or no snow cover, it is unlikely that it will continue to survive in the contiguous U.S. under a high or medium-low emissions scenario," the study concludes.
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