blue nuthatch
... that the blue nuthatch protects its corneas from falling debris when prospecting on trees by contracting the bare skin around its eyes – an adaptation apparently unique to the species?
... that the <b id="mwCSs"><a href="./Blue_nuthatch" id="mwCSw" rel="mw:WikiLink" title="Blue nuthatch">blue nuthatch</a></b> <i id="mwCS0">(pictured)</i> protects its <a href="./Cornea" id="mwCS4" rel="mw:WikiLink" title="Cornea">corneas</a> from falling debris when prospecting on trees by contracting the bare skin around its eyes <span id="mwCS8" typeof="mw:Entity">–</span> an <a href="./Adaptation" id="mwCTA" rel="mw:WikiLink" title="Adaptation">adaptation</a> apparently unique to the species?