Dove

Doves are found in the Fire Nation. Theses creatures are used in shows, as seen in the episode "The Deserter", when Malu makes a Firebending trick in a show during the Fire Days Festival.

Anatomy
Doves are stout-bodied birds with short necks and white feathers. There have no seen doves of a different color. Doves' faces seem to look like parakeets or common pigeons.

Connection
In real world, pigeons and doves constitute the bird family Columbidae.