The following video demonstrates each syllable of the pinyin structure
and the exercise of pinyin/zhuyin with basic Chinese 4-tune pronunciation

Mandarin pinyin tunes
Click the framed calligraphic Chinese symbol icons
to link more related multi-character Chinese words!

niāo, niáo, niǎo, niào

third tune

niǎo

bird 鳥 niǎo

birdcage 鳥籠 niǎo lóng
bird 鳥 niǎo	cage 籠 lóng

Chinese characters also pronunced niǎo

fourth tune

niào

urine; to urinate 尿 niào

diaper; baby's nappy 尿布 niào bù
urine 尿 niào	cotton cloth 布 bù