Cuban bird species
...that 25 of the 368 Cuban bird species are endemic?
...that 25 of the 368 <b id="mwA1s"><a class="mw-redirect" href="./List_of_Cuban_birds" id="mwA1w" rel="mw:WikiLink" title="List of Cuban birds">Cuban bird species</a></b> are <a class="mw-redirect" href="./Endemism_in_birds" id="mwA10" rel="mw:WikiLink" title="Endemism in birds">endemic</a>?