Mantled Howler
... that a Mantled Howler's calls can be heard for several kilometers?
... that a <b id="mwEaw"><a class="mw-redirect" href="./Mantled_Howler" id="mwEa0" rel="mw:WikiLink" title="Mantled Howler">Mantled Howler</a></b><span id="mwEa4" typeof="mw:Nowiki">'</span>s <i id="mwEa8">(pictured)</i> calls can be heard for several <a class="mw-redirect" href="./Kilometer" id="mwEbA" rel="mw:WikiLink" title="Kilometer">kilometers</a>?