- ...that the Maui's Dolphin is the most endangered subspecies of all marine mammals, with only 100 estimated to remain.
- ...the melon is an oval shaped oily, fatty lump of tissue found at the centre of the forehead of most dolphins and toothed whales, located between the blowhole and the end of the head.
- ...the sperm whale family, or simply the sperm whales, is the collective name given to three species of whale, the Sperm Whale, the Pygmy Sperm Whale and the Dwarf Sperm Whale.
- ...the word Vaquita, a species of porpoise, means little cow in Spanish.
- ...a beached whale is a whale which has become stranded on land, usually on a beach.