Sea eagles (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sea eagles</span>' is the definition.<br/ ><span class="explanation-format__explanation">(ern is a kind of sea eagle)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Another definition for erns that I've seen is " make gains as before".)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sea eagles</span>' is the definition.<br/ ><span class="explanation-format__explanation">(erne is a kind of sea eagle)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ernes that I've seen before include "They fly across the sea" , "Certain birds" , "Sea-eagles" , "sea eagles" , "Irish lough's" .)