The Burmese green peacock is a royal symbol of Burma and has been used in its flags.
Modified version of en:File:Burmapeacockforhistory.gif
The original work at Flags of the world: ? (information lost, File:Burmapeacockforhistory.gif was deleted from en.wikipedia [2]. Possibly one of the authors mentioned at https://www.crwflags.com/fotw/flags/mm-old.html.)
The modified File:Burmapeacockforhistory.gif version: Kintetsubuffalo at English Wikipedia
This modified svg version: Stepshep at English Wikipedia (Original text: §tepshep  •  ¡Talk to me!)