northern masked owl
... that northern masked owl chicks hiss to ask for food, while adults hiss to defend nests?
... that <b id="mwAr4"><a href="./Northern_masked_owl" id="mwAr8" rel="mw:WikiLink" title="Northern masked owl">northern masked owl</a></b> <i id="mwAsA">(example pictured)</i> chicks hiss to ask for food, while adults hiss to defend nests?