Learnt this as a child 40+ years ago. I always sing it as "einer kliener fleagle flugle arch me back and a beagle boogle ear splittin larger boomer bird" sung by Rosemary Clooney.

MGM yellow label 990, first published 1958 as "the louden boomer bird" (early every morning), No 58-S-210, Rosemary Clooney. Orchestra under the direction of Buddy Cole. Made in UK by EMI. 78 RPM. B side of "Its a boy". We still have the record.