How to Use "cetacean" with Example Sentences

1. The sperm whale is believe to dive deeper than any other cetacean .
2. The sperm whale is believed to dive deeper than any other cetacean .
3. 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 .
4. 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 .
5. 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 .