Why track coyotes and hogs? High sensor sensitivityA night vision device will be able to effectively track coyotes and hogs only if it has a highly sensitive sensor. Strong wind, dust, fog, rain, and temperature changes – all these phenomena hurt night vision optics. Night vision is almost always a key tool in tracking down pests such as coyotes and hogs. With it, the equipment will effectively track coyotes and hogs, thereby helping people complete this difficult task.