婉转,清丽(⛲),高亢(🥇),鸟儿在枝头欢(huān )唱(chàng )。世界自然纪录片(piàn )之父(fù )爱登堡老(lǎo )爵(🆖)爷讲述鸟类(lèi )(🍖)鸣叫对(🗼)于(🐮)种(zhǒng )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.