This story is about the life of the wooly bear caterpillar, which is also called the wooly worm. The wooly bear caterpillar has black fur on both ends and reddish-brown fur in the middle. Some people say they can tell how cold and snowy winter will be by looking at a wooly bear caterpillar. If there is only a little bit of reddish brown fur, winter will be very cold and snowy. If there is a lot of reddish-brown fur, the winter will not be as bad. As you may know, caterpillars turn into butterflies or moths. Wooly bear caterpillars usually turn into Isabella Tiger Moths. Usually.