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Wolverines Need ‘Refrigerators’ and May Not Survive a Warming Climate

Wolverines Need ‘Refrigerators’ and May Not Survive a Warming Climate
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In spring 2011 two wolverines caused a lot of excitement when they appeared on an Oregon Department of Fish and Wildlife camera. It was the first confirmed sighting in the state since 1992.

Such sightings will become even more rare because of climate change. Habitat loss and poaching have already led to the near extinction of the species. Now a new study shows warmer temperatures are melting their refrigerators.

The solitary, bear-like creatures are actually related to weasels. They reach a length of 26 to 34 inches, with the tail adding another 7 to 10 inches. At maturity they weigh between 24 and 40 pounds.

In summer wolverines add plants and berries to their diet, but they prefer meat. During the short season they can hunt, they fill their caches with squirrels, elk, moose and whatever other small and large prey they can find – whether they killed it or found it. To preserve their food supply, they hide it in rocky crevices and rely on snow cover to keep it free of insects and bacteria as well as safe from scavengers.

As long as the mountainous areas they prefer have sufficient snow pack, lactating mothers can access enough food to keep them and their offspring healthy. Unfortunately, warming temperatures are melting the insulation around their storage chambers.

Next: The Last Wolverines?

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Photo credits: Thinkstock

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90 comments

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3:22AM PST on Dec 27, 2012

If you think global warming is the only thing that can destroy the arctic, watch this. It's an icebreaker taking people to....wait for it.... The North Pole! They first went to the North Pole in a icebreaker in 1977, arctic icebreaker tourism started in 1989 and costs 25,000 US dollars each.

http://www.fastcompany.com/1665032/icebreakers-smash-frozen-arctic-ocean-surprising-ways

8:09PM PST on Nov 25, 2012

It's time the people who still argue against climate change accepted it and helped towards averting catastrophes.

7:33PM PST on Nov 25, 2012

This is really tragic, and I do not want to think more precious species will be lost to extinction because of climate change. For goodness sake, we cannot be so arrogant and ignorant to think that the survival of other species do not matter!

6:39PM PDT on Nov 3, 2012

We won't either if severe measures are not immediately taken to reverse climate change

A Little Good News
http://www.youtube.com/watch?v=d4lyjseJMG0

EARTH CRY video
http://www.youtube.com/watch?v=jppmMcjgWS0

4:16PM PDT on Sep 10, 2012

Yes, the survival of this species is important, as well as all other creatures on this planet.

1:31PM PDT on Jul 27, 2012

I am being to think that those who oppose environmental restrictions are winning out and the animals and humans are going to pay the price.

10:48AM PDT on Jul 27, 2012

Please folks let us do what we can to save this amazing creature. Let not another species leave our planet, it is not only our loss but the loss of generations to come.

6:41PM PDT on Jul 26, 2012

We're going to lose a lot of species of animals due to global warming if something doesn't change. EVERYONE has to try harder.

5:53PM PDT on Jul 26, 2012

Very sad and I hope something can be done about saving them.

4:26PM PDT on Jul 26, 2012

Poor wolverines!

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