thats hog wash. ive tracked and killed almost all my deer accept a few w/ a bow and i have tracked deer for other ppl and double team tracked w/ my dad and fallowed him since i could walk tracking big bucks and ive seen big pellets small pellets clumped pellets loose pellets from all sorts of different size bucks and does and i can tell you there is no way to determine whether its a big old raunchy buck or a little skipper who left the pile o crap. its all based on diet. a urin spotin the snow how ever thereis a tell tale sign to p[rove if its a buck or a doe