Isthmian Alligator Lizard
... that the Isthmian Alligator Lizard, native to Costa Rica and Panama, was not seen for 50 years?
... that the <b id="mwBtE"><a class="mw-redirect" href="./Coloptychon_rhombifer" id="mwBtI" rel="mw:WikiLink" title="Coloptychon rhombifer">Isthmian Alligator Lizard</a></b>, native to <a href="./Costa_Rica" id="mwBtM" rel="mw:WikiLink" title="Costa Rica">Costa Rica</a> and <a href="./Panama" id="mwBtQ" rel="mw:WikiLink" title="Panama">Panama</a>, was not seen for 50 years?