Keywords: 3, Horicon Marsh, Wisconsin, animal, animals, car, cars, collision, collisions, crash, crashes, crossing, death, deaths, ecology, highway, highway 49, highways, hit, hits, hwy 49, illustration, illustrations, image, images, impact, impacts, kill, kills, marsh, marshes, midwest, miles, mortalities, mortality, next, photo, photos, road, road, roadkill, roadkills, signs, traffic, vehicle, vehicles, victim, victims, warning, wetland, wetlands, wildlife, wildlife, wildlife, wildlife