A large male grizzly (Ursus arctos) left this footprint along the banks of Trout Creek in Yellowstone National Park on June 4, 1997.
Of all the Yellowstone grizzly tracks I have studied, the size of this footprint measures in the top 15%. The bear probably weighed over 450 lbs. The average adult (5 or more years old) male grizzly weighs 425 lbs.
Cast by Jim Halfpenny.
Cast measures 11 3/4" long and 8" wide
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