Scarlet Robins
... that Scarlet Robins defend a territory not only from rivals of their own species but also from those of the related Flame Robins?
... that <b id="mwFyc"><a class="mw-redirect" href="./Scarlet_Robin" id="mwFyg" rel="mw:WikiLink" title="Scarlet Robin">Scarlet Robins</a></b> <i id="mwFyk">(male pictured)</i> defend a <a href="./Territory_(animal)" id="mwFyo" rel="mw:WikiLink" title="Territory (animal)">territory</a> not only from rivals of their own species but also from those of the related <a class="mw-redirect" href="./Flame_Robin" id="mwFys" rel="mw:WikiLink" title="Flame Robin">Flame Robins</a>?