when does a bird sing

"China Spymaster Dong Jingwei Makes First Public Appearance Since Defection Rumors"

"Jingwei is a bird in Chinese mythology,"

https://www.newsweek.com/china-spymaster-dong-jingwei-makes-first-public-appearance-since-defection-rumors-1603603

https://en.wikipedia.org/wiki/Jingwei