ISBN-13: 9781366711984 / Angielski / Twarda / 2016 / 34 str.
ISBN-13: 9781366711984 / Angielski / Twarda / 2016 / 34 str.
Some birds must learn their songs when they are very young or they never learn them. Young male birds need to hear the songs of adult males to learn their song. Will baby bird find its family?