I saw one. Many people have seen them.
I've had other experiences believed related to them as well, in my 30 years or so of deer/elk hunting.
Can't explain what they are, but know what they look like, and have seen how they act.

And there's other people on the CF who have seen them.

Last edited by Wyogal; 04/23/17.
http://tse2.mm.bing.net/th?q=Laughi...adlt=moderate&t=1&mw=247Formerly Bearmgc near Grasshopper Glacier WY