From "MOM - Music for Our Mother ocean"
Note: This lyric isn't officially confirmed.

Well everybody's heard about the bird !
Bird bird bird, the bird is the word !

[repeat]

Everybody's heard about the bird !
Bird bird bird, the bird is the word !

[repeat]

Don't you know about the bird?
Well everybody's heard about the bird !

Bird bird bird, the bird is the word !
Bird bird bird, the bird is the word ! Yeah !

Well everybody's heard, about the bird !
Na-na-na-na-na-na-na-na-na
Na-na-na-na-na-na-na-na-na

Everybody's heard, about the bird !
Na-na-na-na-na-na-na-na-na
Na-na-na-na-na-na-na-na-na

Everybody's heard, about the bird !
Everybody's heard, about the bird !

Don't you know about the bird?
Well everybody's heard, about the bird !

Bird bird bird, the bird is the word !
Bird bird bird, the bird is the word ! Yeah!

SURFIN' BIRD!!!!

Well everybody's heard, about the bird !
Bird bird bird, the bird is the word !
Bird bird bird, the bird is the word !

Well everybody's heard, about the bird !
Yeah everybody's heard, about the bird !
Everybody's heard, about the bird !

Na-na-na-na-na-na-na-na-na
Na-na-na-na-na-na-na-na-na
Na-na-na-na-na-na-na-na-na

Don't you know about the bird?
Well everybody's heard, about the bird !

Bird bird bird, the bird is the word !
Bird bird bird, the bird is the word ! Go!!

[claps]

Everybody's heard, about the bird !

[repeat eight times]

Yeah!!!

Everybody's heard about the bird !
Everybody's heard about ... bird !

(yeah, that'll do)