That describes bear kills of Elk calves point by point. John Mionczynski would know this.
http://sbsc.wr.usgs.gov/cprs/research/projects/grizzly/pdf/FORAGINGBEHAVIOROFNORTHAMERICANBEARS.pdf
http://www.cesu.umn.edu/prod/groups/cfans/@pub/@cfans/@cesu/documents/asset/cfans_asset_362075.pdf
I'm not saying Wood Apes don't do those things, but if you find those things, they are far more likely to be from the numerous bears in the area.
I'm sorry but that is an absolutely obscene thing to say.
To suggest that the Tongass is habitat for Polar Bear or Caribou is absurd as its a rainforest.
You clearly have no idea what you're talking about.