Cuckoo, koyal cooing , perched on a tree in India

O BLITHE New-comer! I have heard,
I hear thee and rejoice.
O Cuckoo! Shall I call thee Bird,
Or but a wandering Voice?

To seek thee did I often rove
Through woods and on the green;
And thou wert still a hope, a love;
Still longed for, never seen.

William Wordsworth