It is not surprising that this family of moths is commonly called woolly bears or woolly worms, as the caterpillars of many species are really very hairy. The larvae can be full of poisonous chemicals acquired from their host plants, advertising that they are bad to eat with bright colors, bad odors and unusual shapes. Learn more about woolly bear moths in this well-constructed overview produced by the BBC. This resource includes a series of videos and images showcasing woolly bear moths, as well as information on their habitat, distribution, behaviors, and more.