In this book you will find answers to all the questions you may have asked yourself about bats, those restless goblins of the night.One of the zoological groups in which the role of biological indicator is most spectacularly appreciated is that of bats. Animals that in full evolutionary expansion have conquered all habitats, showing with their polychromatic fur and varied forms a variegated multicolored and polymorphic panorama that has captivated man, for its mysterious and almost unknown existence.They will contribute to erase myths, to know the importance of their existence for man, and the conservation of the already fragile ecological balance.