tokens: These clicks are more similar to those produced by some dolphin and porpoise species–such as the hourglass dolphin ( `` Lagenorhynchus cruciger `` ) , Hector 's dolphin ( `` Cephalorhynchus hectori `` ) , the Chilean dolphin ( `` Cephalorhynchus eutropia `` ) , Commerson 's dolphin ( `` Cephalorhynchus commersonii `` ) , the harbour porpoise ( `` Phocoena phocoena `` ) , and Dall 's porpoise ( `` Phocoenoides dalli `` ) –than to those of other deep-diving whales , such as beaked whales and the sperm whale .