The sperm whale is believe to dive deeper than any other cetacean .
人们相信,抹香鲸比其他鲸类动物潜得更深.
The sperm whale is believed to dive deeper than any other cetacean .
人们相信,抹香鲸比其它鲸类动物潜得更深.
Both the methods and the findings are the first of their kind , according to laela sayigh , a cetacean biologist at the woods hole oceanographic institution in massachusetts .
所有的方法和发现都是好的开始，马萨诸塞州伍兹霍尔海洋研究所的鲸鱼生物学家laelasayigh说。
Cetacean brains are also , scaled appropriately for body size , almost as big as those of humans and significantly bigger than those of great apes , which are usually thought of as humanity 's closest intellectual cousins .
The marine biologists now hope to use the system to collect more reliable data on cetacean numbers and movements , affording further clues to their behaviour .
