so we can then deduce that big bird has a similar looking brother or sister who at some point in time had bird relations with another similar looking yellow bird and produced a daughter bird??
NAME: Betsy Bird
BIO/STATS: A gangly, yet graceful dancing bird.
APPEARANCES: The Muppet Show
SPECIAL TALENTS: Eccentric dancing
Scrappy ass...""It's obvious to everyone that me, fat boy down here, the lady with the sideburns, and the mutants at table number nine have absolutely nothing to offer the opposite sex."