yes deer sure can be sneaky suckers
I personally think the new ear amp's they sell are a great idea for archery, heven gun season to help hear them coming in, can also be in a muff to help keep ears warm too LOL

might besomething to look into
its also a good reason to try and buy the quietest gear you can , to help not drown out aproaching game, and give away your location
lots of things can be done to stands to hhelp make them mroe quiet too
I know my lone wolf , was Ok, but I found several area;s to make it better!