Abelisaurus
...that Abelisaurus had a lighter skull than other dinosaurs due to large fenestrations behind its eyes?
...that <b id="mwA_s"><a href="./Abelisaurus" id="mwA_w" rel="mw:WikiLink" title="Abelisaurus">Abelisaurus</a></b> had a lighter <a href="./Skull" id="mwA_0" rel="mw:WikiLink" title="Skull">skull</a> than other <a class="mw-redirect" href="./Dinosaurs" id="mwA_4" rel="mw:WikiLink" title="Dinosaurs">dinosaurs</a> due to large fenestrations behind its eyes?