婉转，清丽，高朋满座耸入云亢，鸟儿在枝头欢唱。世界天然纪录片之父严子孝慈子孝爱登堡老爵爷叙述鸟类鸣叫对于种群的意思。 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.
