In the English version, she is voiced by Melodee Spevack in Digimon Adventure series, returned to reprise her role in Digimon Adventure tri. for Reunion through Confession (they use Footage of Melodee Spevack during Digivolve scenes in Coexistence though Future), Kate Higgins in Future.
In the Japanese version, she is voiced by Atori Shigematsu.
She resembles a phoenix-like bird spread in flames.
Biyomon digivolved into Birdramon for the first time to defend the Yokomon Village from a Meramon who was controlled by a Black Gear.
Also in "return to highton view terrace", birdramon is fighting against mammothmon, but during the battle, the meteor wings of birdramon don't make any effect to mammothmon and as result, birdramon try to attack directly to mammothmon by grab its trump with its talons, but this prove be a fatal mistake: the trump was aiming directly to birdramon during the struggle and mammothmon use its snow breath, leaving birdramon frozen from the body, the wings and the head, incapacitating birdramon to fight, but sora come to the rescue and birdramon digi evolve to garudamon to can fight against mammothmon
Digimon Adventure 02
Biyomon digivolve to Birdramon to to help destroy the Digimon Emperor's Control Spires.
Digimon Adventure tri.
Biyomon digivole to Birdramon to fight Kuwagamons and Alphamon.
During fight with Meicrackmon, Birdramon became infected and turned on her Digimon friends and HerculesKabuterimon snaps the Digimon out of their infection before using all of his strength to push them back into the distortion before the reboot occurs.
Biyomon digivolve to Birdramon and then digivolve to Garudamon.