鳴 (Kanji for animal cry)

Onyomi

MEI

The bird MAY emit a piercing cry from its mouth

( が ) な＊く	animal's sound. Not just loud angry animals either. Baby birds also naku. ★★★☆☆
( が ) な＊る	the sound of a phone or alarm ringing. ★★★☆☆

怒鳴る(どなる)	to tear someone a new one. ★☆☆☆☆ KUN ON 怒 (get mad) + 鳴 (animal cry) = 怒鳴る (to tear someone a new one.)
雷が鳴る(かみなりがなる)	thunder cracks. ★☆☆☆☆ 雷 (lightning) + 鳴 (animal cry) = 雷が鳴る (thunder cracks.)
耳鳴り(みみなり)	tinnitus ☆☆☆☆☆ 耳 (ear) + 鳴 (animal cry) = 耳鳴り (tinnitus)

The animals cry with their MOUTHS.
The bird has four little LEGS,
but the island is made from a MOUNTAIN.