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Author Topic: Big Packs, Bigger Game  (Read 1185 times)

Offline wolfbait

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Big Packs, Bigger Game
« on: November 24, 2014, 04:53:58 AM »
Big Packs, Bigger Game
 
by Cat Urbigkit, Pinedale Online! November 12, 2014
 
Researchers at Utah State University published a new paper indicating that wolf pack size may influence what prey is targeted. Smaller packs of 2-6 wolves are successful at taking down elk, but bigger packs (9-13 wolves) turn to bison as prey. Elk are much smaller than bison.
 
The paper, "Influence of Group Size on the Success of Wolves Hunting Bison," was published in the online journal PLos ONE this week, with research centered on wolf packs in Yellowstone National Park.
 
The researchers noted: "Whereas improvement in elk capture success leveled off at 2-6 wolves, bison capture success leveled off at 9-13 wolves with evidence that it continued to increase beyond 13 wolves. These results are consistent with the hypothesis that hunters in large groups are more cooperative when hunting more formidable prey. Improved ability to capture formidable prey could therefore promote the formation and maintenance of large predator groups, particularly among predators that specialize on such prey."
 
To read the details, click on the links below.
 
PLos One - Read the journal paper here:
http://tinyurl.com/nh22zsc

 


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