We Are Dwarf Sperm Whales!

All fins on deck! Kogi, a dwarf sperm whale, teaches us all about cetaceans, which also includes dolphins and porpoises. Fun fact: the word cetacean comes from a Greek word meaning "e;sea monster,"e; but Kogi's far too nice to be one of those. In fact, cetaceans are mammals (yep, just like humans). And they have lungs and breathe air-as do lions and tigers and bears! (Oh, my!) While dwarf sperm wh...