Skip Squawk: Do you hear that weird sound?
Big Bird: Oh, I think that's me. See? My legs are shaking!
Skip Squawk: Wow, those ARE some shaky legs.
Big Bird: Oh, I think that's me. See? My legs are shaking!
Skip Squawk: Wow, those ARE some shaky legs.
— Sesame Street, "Big Bird's Song"
He's shaking violently, looking worlds beyond terrified.