The Crow and the Peacock by Johanna Fernihough

Follow one Crow's quest to discover the happiest bird in the world. He encounters a softly cooing dove, an elegant swan, and a much-loved cockerel before finally meeting a peacock, bound in a golden cage. Crow is in awe of the creature's magnificent bejewelled tail - and believes this must be the happiest bird of all. But when Crow discovers the peacock's wish to fly free, he realizes who was the happiest bird all along.
Binding: Paperback / softback