Lang. Cuckoo, Cuckoo

From The Nursery Rhyme Book edited by Andrew Lang, with illustrations by L. Leslie Brooke.

This is Roud 19967.

CUCKOO, CUCKOO

Cuckoo, Cuckoo,
What do you do?
"In April
I open my bill;
In May
I sing night and day;
In June
I change my tune;
In July
Away I fly;
In August
Away I must."

(common cuckoo)