There's more evidence to every hit than blood! In fact, blood is way down a long list of things I look for after a hit. Whatdid the deer do immediately at the time of the hit? Did it kick a hind leg, jump in the air, run away at a dead sprint or bound away like a normal deer, was the tail up or down, was their a limp or an effort to carry a broken leg, did you hear a loud snap like a broken bone, what about sticks cracking in the direction she ran, what was the hair color left on the ground-brown or white,did the bloodhave any air bubbles in it? This is just a short list of things you can get from the time you release the arrow! Try to think back and you can probably answer some of these questions at home now. If you hone in on some of the feedback of a "hit", you'll become a much better hunter and tracker! Good luck and keep us posted.