Wooly worm predictions are a folklore method of predicting the severity of winter weather based on the coloration of wooly bear caterpillars. According to the tradition, a wider black band on the caterpillar indicates a milder winter, while a wider brown band suggests a harsher winter.
The origins of wooly worm predictions are unclear, but they have been passed down through generations in many parts of North America. Some believe that the caterpillars’ coloration is influenced by the amount of sunlight they receive during the summer months. Others believe that the caterpillars’ coloration is simply a matter of genetics.
