Savi's Warbler
... that, on arrival at the breeding area, a female Savi's Warbler chooses to pair with the male with the densest reed bed territory?
... that, on arrival at the breeding area, a female <b id="mwCIo"><a class="mw-redirect" href="./Savi's_Warbler" id="mwCIs" rel="mw:WikiLink" title="Savi's Warbler">Savi's Warbler</a></b> <i id="mwCIw">(pictured)</i> chooses to pair with the male with the densest <a href="./Reed_bed" id="mwCI0" rel="mw:WikiLink" title="Reed bed">reed bed</a> <a href="./Territory_(animal)" id="mwCI4" rel="mw:WikiLink" title="Territory (animal)">territory</a>?