Do you want to compare Birdy with Batgirl? Discover the powers, weakness & weapons of Birdy and Batgirl from Birdy Biography and Batgirl Biography. Find out all about Birdy and Batgirl.# Check out how is Birdy unique and distinct from Batgirl. Discover their love interest, sidekicks, family tree and the movies and games list in which Birdy and Batgirl have appeared. Find out everything about them here!