I believe persistence is the biggest factor in recovering a wounded deer. I honestly believe many hunters give up too soon. Marking blood sign is always important as well, especially if the blood trail appears to end. That's the time to get on your hands and knees and begin turning over leaves for any evidence of blood. I never 'trust' anything when looking for a wounded deer. By that I mean, just because there is little or no blood, does not mean the deer was not hit hard. We have found deer that, at times, appeared a hopeless cause, because we never gave up and discovered the deer had massive internal bleeding.

Having a few other hunters help can certainly be beneficial but care must be taken here. We always ensure we don't 'trash' the area looking for sign. Also, many hunters are more focused on looking for blood than the actual deer. As obvious as this may sound, you must always keep your head looking up for that deer. Plus, I always check areas that a rabbit may try to hide. A wounded deer will sometimes lay in the thickest, nastiest stuff many hunters will fail to look.

Good advice has been given here to a great thread. Getting valuable input from other hunters is always beneficial.