Final answer:
The type of hunting strategy described in the question is tracking, where hunters follow signs to locate their prey.
Step-by-step explanation:
The type of hunting strategy that involves following signs leading to a particular type of game or group of animals, or to close the distance to game already spotted, is tracking. It is a method where hunters use clues like footprints, droppings, or other signs to track and locate their prey. They carefully observe and interpret these signs to determine the movement and whereabouts of the animals they are hunting.