Erckel's francolin
... that the voice of the Erckel's francolin has been described as "an insane cackled laughter"?
... that the voice of the <b id="mwAaw"><a class="mw-redirect" href="./Erckel's_francolin" id="mwAa0" rel="mw:WikiLink" title="Erckel's francolin">Erckel's francolin</a></b> has been described as "an insane cackled laughter"?