A Bellbird
bellbirdbell bird
the beautiful sound that it makes and that no other bird can match the nightingales magnificent voice.
A Coel makes coo sound
What is beautiful is a matter of opinion. What is beautiful for you may not be for others.
a pukeko
An owl.
Is a a bird singing a beautiful sound
kookook bird
whistles
This is a lyrebird.
A Pigeon ends with 'N' and makes a coo sound.
Pigeon