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Coyotes-Wolves-Cougars.blogspot.com

Grizzly bears, black bears, wolves, coyotes, cougars/ mountain lions,bobcats, wolverines, lynx, foxes, fishers and martens are the suite of carnivores that originally inhabited North America after the Pleistocene extinctions. This site invites research, commentary, point/counterpoint on that suite of native animals (predator and prey) that inhabited The Americas circa 1500-at the initial point of European exploration and subsequent colonization. Landscape ecology, journal accounts of explorers and frontiersmen, genetic evaluations of museum animals, peer reviewed 20th and 21st century research on various aspects of our "Wild America" as well as subjective commentary from expert and layman alike. All of the above being revealed and discussed with the underlying goal of one day seeing our Continent rewilded.....Where big enough swaths of open space exist with connective corridors to other large forest, meadow, mountain, valley, prairie, desert and chaparral wildlands.....Thereby enabling all of our historic fauna, including man, to live in a sustainable and healthy environment. - Blogger Rick

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Wednesday, April 28, 2010

Wolverines in Sweden have adjusted to living in people dominated environments

Everything you hear from USA wolverine biologists about the scarcity and exterpation of Wolverines across it's Northern tier USA range is that this fierce and independent "loner" cannot tolerate any type of human presence, be it skiing, snowmobiling or even hiking by humans. Found it interesting the report below which depicts Wolverines in Sweden thriving amidst human settlement................HOPE FOR USA WOLVERINES IN THE NORTHEAST, MIDWEST AND WESTERN STATES?  SNOWCOVER PROBABLY THE MORE DAMPENING POPULATION SINK CRITERIA AS IT RELATES TO WOLVERING RECOVERY GOING FORWARD!




Tricksters, Depredation, and One Funny Dog (from the WOVERINE BLOG)


The wolverine's reputation as a tricky devil is probably outweighed by that of another, much more common North American carnivore: the coyote, who features in the lore of dozens of Native American tribes as a sly conman, a buffoon, or a serious troublemaker, depending on the occasion.

So it seems fitting that Coyote and Wolverine have teamed up: the Cascades Carnivore Project's sole gulo scat sample, which the project was having analyzed to determine its sex and genetics, turned out to belong not to a wolverine, but to a member of the Canis latrans family. Apparently the coyote was following the wolverine's tracks (I've seen this as well; a coyote walked in the wolverine tracks I found in Death Canyon in February, confusing the heck out of me for a good mile) and left a deposit.

Determining the sex of the Cascades wolverine was a prerequisite of a contest to give a name to the critter, but in light of the continuing mystery, they settled on the androgynous name of Wildy - certainly among the more fitting names for a wolverine, regardless of sex - and are determined to collect another sample sometime soon. I'm eager to find out, so hopefully Wildy will be good enough to enlighten us soon.

In other gulo news, I was talking to a wildlife biologist who recently returned from Sweden, and he mentioned his surprise at the ability of Swedish wolverines to survive in an intensively managed landscape. All of this is anecdotal, and wolverines are not his species of focus, but he mentioned that in Sweden, no tree is more than 500 meters from a road - a design of the government to enable easy forestry activities - and that despite logging and traffic, wolverines negotiate this landscape successfully. Like most of us, he was surprised that an animal so emblematic of wilderness - to the American mind, anyway - was capable of living in such proximity to industry.

Swedish wolverines also run the risk of retaliatory killings by Sami, whose domestic reindeer herds are vulnerable to depredation. In its commitment to maintaining wolverines, the Swedish government came up with a payment-for-ecosystem-services model to help prevent herders from killing wolverines. If a wolverine dens in a herder's territory, the herder is paid $30,000 up front, which seems to work better among the Sami than post-depredation compensation programs for wolf kills have worked among American ranchers (the Sami also receive payment for a wolf den on their land - $70,000 - but even this rate of payment isn't enough to build tolerance for wolves, which scatter reindeer across the landscape - a more grievous difficulty, evidently, than the loss of a few animals to depredation, since it makes herding extremely challenging.) There are apparently some problems with the payment system for wolverine depredations, but the level of payment at least represents a serious commitment to conservation on the part of the Swedes. Fortunately we don't have to deal with the question of livestock depredation by wolverines here in the US, but several of my herder friends in Mongolia mentioned that wolverines do sometimes prey on sheep and goats. One of the objectives of my project in Mongolia this summer is to determine exactly how prevalent depredation is, and how Mongolians respond to wolverine depredations, as opposed to wolf, lynx, or snow leopard depredations.



3 comments:

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RJWatters said...

Hi. The above post is from my blog, and I definitely appreciate the fact that people are seeking it out, but it would be great if you could post a link back to my site as acknowledgment:

www.egulo.wordpress.com

Thanks so much for your interest in wolverines and for reposting my writing here!

Coyotes, Wolves and Cougars forever said...

RJ................happy to post your blog on my favorite links..............You have a great site...........THE WOLVERINE BLOG............www.egulo.wordpress.com

Everyone should check out RJ's site