From voracious crocodiles and acrobatic birds to stupendous whales and majestic elephants, When Whales Walked: Journeys in Deep Time follows top scientists on a global adventure as they follow clues from the fossil record and change what we thought we knew about the evolution of iconic beasts. 　　译文(2): 从贪婪的鳄鱼和杂技鸟到巨大的鲸鱼和雄伟的大象，《当鲸鱼行走: 深海时间之旅》跟随顶尖科学家进行全球探险，他们从化石记录中寻找线索，改变我们对标志性动物进化的认识。