婉转(👷),清丽,高亢(kàng ),鸟儿在枝头欢唱。世界(jiè )自(🕸)然纪(jì )录(lù )片之父爱登堡(🎗)老爵(🆖)爷(yé )讲述(🛤)鸟类鸣叫对(duì )于种(🥩)群的意(🎾)义。 David Attenborough chooses seven of the most remarkable animal songs found in nature and explores the significance of these songs in the lives of their species.
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