婉转，清丽，高亢，鸟儿在枝头欢唱。世界自然纪录片之父爱登堡老爵爷讲述鸟类鸣叫对于种群的意义。
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. © 版权声明
文章版权归作者所有，未经允许请勿转载。
THE END
