Merry, merry king of the bush is he
Laugh, Kookaburra! Laugh, Kookaburra!
How gay your life must be...
As a child - we delighted in singing the alternative:
Kookaburra sits on the electric wire,
Jumping up and down, with his pants on fire.
Ouch, Kookaburra, ouch! Kookaburra,
Hot your tail must be!
