Buldir Volcano
... that the discovery of a population of Aleutian Cackling Geese on Buldir Volcano in the Aleutian Islands prevented their extinction?
... that the discovery of a population of <a class="mw-redirect" href="./Aleutian_Cackling_Goose" id="mwCeA" rel="mw:WikiLink" title="Aleutian Cackling Goose">Aleutian Cackling Geese</a> on <b id="mwCeE"><a href="./Buldir_Volcano" id="mwCeI" rel="mw:WikiLink" title="Buldir Volcano">Buldir Volcano</a></b> in the <a href="./Aleutian_Islands" id="mwCeM" rel="mw:WikiLink" title="Aleutian Islands">Aleutian Islands</a> prevented their extinction?