The Brief: The dodo emoji depicts the extinct flightless bird known as the dodo.

DEEP DIVE
The dodo emoji (π¦€) is part of Unicode’s 13.0 emoji collection for 2020. This icon can be used literally to represent a dodo bird or slangily as a reference to someone who is stupid.
New in Android 11.0: 𦀠Dodo https://t.co/SOIAJgNhLp pic.twitter.com/VbEm2uwqU2
β Emojipedia (@Emojipedia) September 9, 2020