Naturalist bookstore Acoustic Ecology of European Bats - Second edition article Biotope 9782366622447 €49.00 Bats, being nocturnal flying mammals, have developed a special and very efficient means of navigating in the dark: the sonar. Although the acoustic signals they emit are inaudible to the human ear, they can be perceived, recorded and analysed with appropriate equipment and software. This book is a product of the knowledge and skill acquired by its author... Add to cart