A bat’s ears are finely tuned instruments, designed to pick up the faintest of echoes. Many species have large, intricately shaped ears that act as parabolic receivers, amplifying sounds and ...

and the lump-nosed bat, its appearance is defined by a pair of outsize ears and a lump-adorned nose. These bats, whose bodies are normally less than 4 inches long, have ears that extend more than ...