SOUNDS EMITTED BY ANIMALS
The sound of the Acherontia atropos
There death's head sphinx or death's head butterfly namely theAcherontia atropos of the family Sphingidae it is a butterfly, unique in the world, which emits sounds (both the adult and the larva) thanks to a pharynx. When threatened, it emits a high-pitched sound that can be heard from many meters away. The air, as it is thrown out, causes a foil at the mouth of the pharynx to vibrate. to raise the wings (it has a wingspan up to 13 cm), to move the abdomen, to emit a nauseating odorous substance, served to make predators go away.