Examples from literature

• But tell me, isn't that the noise cetaceans make when they spurt water from their blowholes? 
• If it was a cetacean, it exceeded in bulk any whale previously classified by science. 
• Old legends even claim that these cetaceans led fishermen to within a mere seven leagues of the North Pole. 
• The cetacean had rammed our frigate at about eleven o'clock in the evening. 
• The enormous head of this cetacean occupies about a third of its body.