Wikipedia has an article on: <span class="searchmatch">Cuculus</span> <span class="searchmatch">optatus</span> Wikipedia Wikispecies has information on: <span class="searchmatch">Cuculus</span> <span class="searchmatch">optatus</span> Wikispecies <span class="searchmatch">Cuculus</span> <span class="searchmatch">optatus</span> m A taxonomic species within...
(genus): <span class="searchmatch">Cuculus</span> clamosus, <span class="searchmatch">Cuculus</span> crassirostris, <span class="searchmatch">Cuculus</span> gularis, <span class="searchmatch">Cuculus</span> lepidus, <span class="searchmatch">Cuculus</span> micropterus, <span class="searchmatch">Cuculus</span> <span class="searchmatch">optatus</span>, <span class="searchmatch">Cuculus</span> rochii, <span class="searchmatch">Cuculus</span> saturatus...