hey is anybody having troulbe hearing birds!!!ive been out now4 times now and not heard any birds on the roast or after fly down. the spot i hunt here in mdhas a good amount of turkeys and in 8 years ive been hunting there ive never gone 2 days with out hereing a least birds on the roast. in past years sometimes they will gobble good on the roast and then shut up on the ground , which isnt uncommon!!!!!!! but never have heard them to be so quit!!!!!!!!