Plumbeous Water Redstart
... that the Plumbeous Water Redstart catches flies in rivers by flying vertically above the water, then gliding down in a spiral back to the same place?
... that the <b id="mwCHc"><a class="mw-redirect" href="./Plumbeous_Water_Redstart" id="mwCHg" rel="mw:WikiLink" title="Plumbeous Water Redstart">Plumbeous Water Redstart</a></b> <i id="mwCHk">(male pictured)</i> catches flies in rivers by flying vertically above the water, then gliding down in a spiral back to the same place?