Spoken: Lead Squirrel: Now we're gonna sing a song for you, about a bird we all know who doesn't fly. Right girls? Other Squirrels: Right! Sung: Big Bird doesn't fly No, no Big Bird doesn't fly No, no Big Bird doesn't fly No, no Big Bird doesn't fly Big Bird: I don't fly Squirrelles: Big Bird doesn't fly Big Bird: I don't fly, I just walk on by Squirrelles: Big Bird doesn't fly No, no Big Bird doesn't fly He can hop And he can skip right to the Fix-It Shop He likes to roller-skate But, my, oh my Big Bird: I just can't fly Squirrelles: Big Bird doesn't fly No, no Big Bird doesn't fly He can waddle with the best And he can leap-frog right to his nest He walks backwards easy as pie But, my, oh my Big Bird: I just don't fly Squirrelles: Big Bird doesn't fly No, no Big Bird doesn't fly He knows how to chase He comes first in a three-legged race He'll even jitter-bug But, I don't know why, he just don't fly I don't know why He just don't fly Big Bird doesn't fly No, no Big Bird doesn't fly Spoken: You're in great voice today, girls! So, Big Bird, tell us, why don't you fly? Others: Yeah, why? Big Bird: I just haven't learned yet. But, you know, I've heard that some squirrels can fly. Squirrelles: Really? Let's try it, girls! A-one, a-two, a-three ... (they jump up, trying to fly, then fall to the ground, giggling) Big Bird: Must be some other kind of squirrel. Are you okay, girls? Squirrelles: Yeah! We're fine!
https://primoaccordo.net/sesame-street/big-bird-cant-fly.htm