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Number Of Wolves In Yukon-Charlie Preserve Falls By 50 Percent
Drop coincides with State predator control outside preserve.
ANCHORAGE, Alaska (AP) - The National Park Service says the number of wolves in one of Alaska's national preserves has dropped by more than half.
Biologists at Yukon-Charley Rivers National Preserve conducted aerial surveys of the 2.5 million-acre conservation area and saw a substantial drop in the number of wolves in the national preserve in Interior Alaska.
Biologists say the drop is substantially more than normal and coincides with the state's predator control efforts to eliminate wolves near the preserve.
The Park Service says the fall-to-spring drop in the number of wolves that den or spend a portion of their lives in the preserve appears to be the highest on record. In November 2012, biologists counted 80 wolves in nine packs. They now count between 28 and 39 wolves in six packs.