Kind of owl or egret
I believe the answer is:
snowy
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">kind of owl</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">egret</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(snowy egret is a kind of egret)</span><br/ ><br/ ></span>
(Other definitions for snowy that I've seen before include "Tintin's dog - describing winter weather" , "Wintry" , "Like cold weather" , "- Mountains; - owl" , "Covered in flakes" .)