November can be hazardous for night landings at rural airports for a few reasons. First, during the fall mating season, bucks and does are keenly focused on their romantic pursuits, causing them to pay little attention to distractions, such as speeding cars or airplanes descending into their midst. And second, dark runways absorb heat from the sun and retain that heat long after dark. Deer and other animals like to warm themselves on the tarmac as long as it stays warmer than the dark woods. They also become bolder and less fearful of exposure to open space than they are during daylight hours.