You have to see the Bushmen (San) of the Kalahari at work, they are the world's best trackers. The military used them during the conflict in Namibia in the 70s and 80s. I have seen them track a leopard for miles at a trot, and enjoying it. They are best in a small team, when one loses the track they fan out and it is soon recovered. Their clicks and whistles contribute to a sense of enthusiasm.
I remember tracking an eland shot by another hunter with a 300 ultra whizbang gizmo. We (the Bushman tracker) found three specks (as in grain of sugar) drops of blood, and the tracker was able to discern the track of the wounded animal from those of the group and countless other tracks. When we found the group, hours later, the wounded eland had a through and through wound high on the shoulder and appeared to be quite healthy apart from a pink flap of skin the size of a small flower on the exit.
Moral of the story, make a big hole, and keep it low.