cracker butterflies
...that cracker butterflies acquired their name because of the unusual sound that males produce as part of their territorial displays?
...that <b id="mwAvA"><a class="mw-redirect" href="./Cracker_butterflies" id="mwAvE" rel="mw:WikiLink" title="Cracker butterflies">cracker butterflies</a></b> acquired their name because of the unusual sound that males produce as part of their territorial displays?