This was a deer I found about 4 or 5 years ago. If you look close the black blob aside from the carcass is the deers stomach. The only part of the deer that wasn't eaten. We had coyotes that disappeared around the same time as this and several other dead deer were found. We suspect a lone wolf except that a biologist and veterinarian have both told me since that k9 predators eat the digestive tracks of prey for the B vitamins found. (Same reason dogs eats bunny poop) The biologist who saw the pics said it was more likely a cat that would separate the stomach away from the carcass. Mountain lions are pretty rare in central Wisconsin but seeing the bobcat picture makes more sense. A bobcat doesn't explain the 2 big bucks found in the same area. There were house cat sized tracks in the snow that maybe bobcat kitten tracks. Maybe a wolf killed the deer and a bobcat family scavenged it? Another thing the the biologist pointed out to me was the fang marks on the throat with saliva frozen around the bite mark. This was probably the cause of death and could have been caused by a mountain lion or wolf. The biologist was leaning toward mountain lion until he found out where this was located.
American by birth, hunter by choice.