On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National Park. (National Park Service file photo courtesy of Jeremy ...
MAMMOTH, Wyo. — At 1:23 a.m. on a recent summer night, the matriarch of the Rescue Creek wolf pack, known to scientists as 1490F, bellowed out two long, melodic howls that reverberated across the ...
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